name cambridge secondary 1 science topic book: material ...€¦ · elements that are not shiny,...

Name

Patrick Brannac www.SmashingScience.org of 41

Cambridge Secondary 1 Science

TOPIC BOOK: Material Properties CIE Topic code: C7p Essential Science workbook: Chapter 6 - Pages 34 to 29

Cp Material properties (UK KS3: 8E, 8F) • 7Cp1 Distinguish between metals and non-metals. • 7Cp2 Describe everyday materials and their physical

properties.

Contents CIE Topic code: C7p ........................................................................ 1

Cp Material properties (UK KS3: 8E, 8F) ................................... 1

What you should have done if you wanted the highest grade in

this course for this topic: ...................................................................................................................... 2

Sec1 Sci C7p WS Chemical properties 24word list extravaganza ......... Error! Bookmark not defined.

Find all the words in the word list on the first page ............................... Error! Bookmark not defined.

Fill in the missing words: ......................................................................................................................... 2

Final HEROS CHALLENGE Fill in the missing meanings: ................................................................... 6

Essential Information................................................................................................................................ 2

Sec1 Sci C7p Material properties Review Sheets .................................................................................. 18

Mind Map Task – Create a mind map of all of the important ideas of this topic ................................... 19

Task 3 – Answer these questions in your exercise books ...................................................................... 20

Sec1 Sci C7p EQ Exam Questions 31marks .......................................... Error! Bookmark not defined.

Mark Scheme Sec1 Sci C7p EQ 2010 to 1995 4Teachers 120marks..... Error! Bookmark not defined.

Extension task: Expanding your mind using the C7p Material Properties topic .................................... 22

Notebook points

Effort score for word list activities Word list test score

Effort score for mind map Multiple Choice test result

Effort score for past exam questions End of topic test

Overall effort score for

this topic

Overall grade for

topic

Figure 2 Some famous metals

Figure 1 Non metals are used to make plastics

http://www.smashingscience.org/


What you should have done if you wanted the highest grade in this course for this topic:

1. Complete notes taken from class, which clear headings underlined with a ruler and the date for each

piece of work. All single sheets should be neatly stuck in your book, ideally with clear tape and with

the edges cut off so that they don’t stick our of your book

2. Cornell notes along the side with translations of new English words you don’t understand and a

summary at the bottom of the page that explains in just one sentence what you. Only the very best

students will probably be able to do this properly, but everyone should at least try.

3. Complete the exercises for the word list test you will have in the second week. Remember, when I

take these topic books in, I will check and give you and effort score

4. Compete the mind map based on the review sheets inside this topic book. This will help you to learn

for the multiple choice question test

5. Completed the past exam questions as the back of this topic book to help you prepare for the end of

topic test, which is the most important of the assessed activities you will do.

6. EXTENSION ACTIVITIES: The ablest students will also have completed all of the questions in the

workbook, and in the back of their exercise book, also completed the questions given in the textbook

sections that have been handed out.

7. FOR THE VERY ABLEST STUDENTS: They will also have explored one part of this topic that they find

fascinating and will have either made a poster, or a presentation, e.g. on power point and explained

what they know during a chemistry gifted and talented session, which are open to all students across

grades 6 and 7, and run every Wednesday during prep time 3:45 to 4:30pm in Mr Brannac’s

classroom.

Sec1 Sci C7p WL Material properties NEW 25Core words

# Difficulty English Chinese Meaning in English Meaning in Chinese

1 Core Atom 原子 The smallest part of an element you can

get. 您可以获得的元素的最小部分。

2 Core Boiling point 沸点

When a liquid is at its boiling point it is as hot as it can get. It is evaporating as fast

as it can.

当液体处于沸点时，它就像它可以

得到的那样热。它正在蒸发尽可能

快。

3 Core Brittle 脆 A substance is brittle if it breaks easily

when you hit it with a hammer

如果物质在用锤子击打时容易破裂

，则物质很脆弱

4 Core Compound 复合 A substance made up of atoms of two or

more elements chemically joined together

由化学连接在一起的两种或多种元

素的原子组成的物质

5 Core Electrical

conductor 导电

器

Something which allows electricity to flow through it easily.

可以让电力轻松流过的东西。

6 Core Element 元件 A substance that cannot be split up into anything simpler by chemical reactions.

一种物质不能通过化学反应分解成

任何更简单的物质。

7 Core Freezing

point 冰点

The temperature at which a liquid turns into a solid.

液体变成固体的温度。

8 Core Gas 气 Something made of particles that are very spread out and have no bonds

between them.

由粒子组成的东西非常分散并且它

们之间没有粘合

9 Core Heat

conductor 热导

管

Something which allows heat to flow through it easily.

容易让热量流过的东西。



# Difficulty English Chinese Meaning in English Meaning in Chinese

10 Core High melting

point 高熔

点

Something with a this property has to be at a very high temperature before it

melts. It is a solid at room temperature.

高熔点物质在融化之前必须处于非

常高的温度。它在室温下是固体。

11 Core Low boiling

point 低沸

点

Something with this property will turn into a gas at a relatively low temperature.

It can be a solid, liquid or gas at room temperature.

具有低沸点的物质会在相对较低的

温度下变成气体。它可以是室温下

的固体，液体或气体。

12 Core Magnetic 磁性 A metal (iron, nickel or cobalt) that can

be magnetised or attracted to a magnet.

金属（铁，镍或钴）可以被磁化或

吸引到磁铁上的金属。

13 Core Malleable 可锻

铸

The property of being able to bend without breaking, like a paper clip.

能够弯曲而不会破损的特性，如纸

夹。

14 Core Materials 物料 This includes all of the different types of

matter that things are made of, like metals, plastics, and glass.

这包括所有不同类型的物质，如金

属，塑料和玻璃。

15 Core Matter 物 Stuff that takes up space and has mass. 占据空间并具有质量的东西。

16 Core Melting

point 熔点

The temperature at which a solid turns into a liquid.

固体变成液体的温度。

17 Core Natural polymer

天然

聚合

物

A polymer that exists naturally, often made by plants or animals

天然存在的聚合物，通常由植物或

动物制成

18 Core Non-metals 非金

属

Elements that are not shiny, and do not conduct heat and electricity well.

没有光泽的元素，不能良好地传导

热量和电力。

19 Core Periodic

table 定期

表 Table that shows all the elements. 显示所有元素的表格。

20 Core Polymer 聚合

物

A substance with large molecules made up of atoms joined together in long

chains

具有大分子的物质，由长链连接在

一起的原子组成

21 Core Pure 0 A substance that does not have anything

else in it. 0

22 Core Shiny 亮面 Reflects light well. 很好地反射光线。

23 Core Strong 强大 A large force is needed to break materials

that have this property.

需要很大的力来破坏具有这种特性

的材料。

24 Core Symbol 符号 The letter or letters that represent an

element. 表示元素的字母或字母。

25 Core Synthetic polymer

合成

聚合

物

A polymer made by people and machines in factories or science laboratories

由工厂或科学实验室的人员和机器

制造的聚合物



Fill in the missing words: Circle the words you were able to remember without using the word list on the front.

English Meaning in English

Synthetic polymer A polymer made by people and machines in factories or science laboratories

High melting point Something with a this property has to be at a very high temperature before it melts.

It is a solid at room temperature.

Malleable The property of being able to bend without breaking, like a paper clip.

Non-metals Elements that are not shiny, and do not conduct heat and electricity well.

Periodic table Table that shows all the elements.

Low boiling point Something with this property will turn into a gas at a relatively low temperature. It

can be a solid, liquid or gas at room temperature.

Magnetic A metal (iron, nickel or cobalt) that can be magnetised or attracted to a magnet.

Freezing point The temperature at which a liquid turns into a solid.

Electrical conductor Something which allows electricity to flow through it easily.

Natural polymer A polymer that exists naturally, often made by plants or animals

Polymer A substance with large molecules made up of atoms joined together in long chains

Pure A substance that does not have anything else in it.

Element A substance that cannot be split up into anything simpler by chemical reactions.

Gas Something made of particles that are very spread out and have no bonds between

them.

Compound A substance made up of atoms of two or more elements chemically joined together

Atom The smallest part of an element you can get.

Matter Stuff that takes up space and has mass.

Shiny Reflects light well.

Symbol The letter or letters that represent an element.

Melting point The temperature at which a solid turns into a liquid.

Heat conductor Something which allows heat to flow through it easily.

Boiling point When a liquid is at its boiling point it is as hot as it can get. It is evaporating as fast as

it can.

Brittle A substance is brittle if it breaks easily when you hit it with a hammer

Materials This includes all of the different types of matter that things are made of, like metals,

plastics, and glass.

Strong A large force is needed to break materials that have this property.



Final HEROS CHALLENGE Fill in the missing meanings: Try to do as much as you can without using the word list on the first page to help and circle those words whose

meaning you were able to remember.

English Meaning in English

Polymer A substance with large molecules made up of atoms joined together in long chains

Materials This includes all of the different types of matter that things are made of, like metals, plastics, and

glass.

Compound A substance made up of atoms of two or more elements chemically joined together

Natural polymer A polymer that exists naturally, often made by plants or animals

Freezing point The temperature at which a liquid turns into a solid.

Heat conductor Something which allows heat to flow through it easily.

High melting point

Something with a this property has to be at a very high temperature before it melts. It is a solid at room temperature.

Electrical conductor

Something which allows electricity to flow through it easily.

Pure A substance that does not have anything else in it.

Melting point The temperature at which a solid turns into a liquid.

Brittle A substance is brittle if it breaks easily when you hit it with a hammer

Gas Something made of particles that are very spread out and have no bonds between them.

Shiny Reflects light well.

Matter Stuff that takes up space and has mass.

Synthetic polymer

A polymer made by people and machines in factories or science laboratories

Low boiling point

Something with this property will turn into a gas at a relatively low temperature. It can be a solid, liquid or gas at room temperature.

Atom The smallest part of an element you can get.

Non-metals Elements that are not shiny, and do not conduct heat and electricity well.

Malleable The property of being able to bend without breaking, like a paper clip.

Strong A large force is needed to break materials that have this property.

Boiling point When a liquid is at its boiling point it is as hot as it can get. It is evaporating as fast as it can.

Magnetic A metal (iron, nickel or cobalt) that can be magnetised or attracted to a magnet.

Periodic table Table that shows all the elements.

Symbol The letter or letters that represent an element.

Element A substance that cannot be split up into anything simpler by chemical reactions.



Essential Information



Sec1 Sci C7p Material properties Review Sheets Elements

An element is a simple substance that cannot be split into anything simpler by chemical reactions. Atoms are the

smallest particles of an element that can exist. Atoms of one element are all the same, and are different from

atoms of all the other elements.

There are over 100 different elements. All the elements are shown in the Periodic Table. Each element has a

chemical symbol, which is usually one or two letters. A symbol is written with the first letter as a capital, and the

second letter is small.

carbon C oxygen O

nitrogen N hydrogen H

gold Au silver Ag

copper Cu aluminium Al

Metals and non-metals

The properties of a substance are the words that we use to describe it, or measurements that we can make on it.

Metals and non-metals have different properties.

Metals Non-metals

good conductors of heat and electricity poor conductors of heat and electricity

shiny dull

solids with a high melting point (except for mercury) most are solids or gases

found on the left-hand side of the Periodic Table found on the right-hand side of the Periodic Table

three metals are magnetic no non-metals are magnetic

metals can burn to form alkaline oxides non-metals can burn to form acidic oxides

flexible brittle

Compounds

Elements can join together to make compounds. The name of the compound tells you the elements that are in it.

Compounds made from two elements always have a name which ends in ‘-ide’.

These elements join together … … to make these compounds

carbon, oxygen carbon dioxide

sodium, chlorine sodium chloride

magnesium, oxygen magnesium oxide



Mind Map Task – Create a mind map of all of the important ideas of this topic



Task 3 – Answer these questions in your exercise books



Sec1 Sci C7p EQ Exam Questions 49marks



Q3. Krypton is an element which is a non-metal. Tungsten is an element which is a metal.

(a) The lines show one property of krypton and one property of tungsten. Draw two more lines from each element to its other properties.

4 marks

(b) The diagram shows a light bulb.

Give two properties which make tungsten a good material for light bulb filaments. Choose from the list of properties above.

1. ..................................................................................................................

2. .................................................................................................................. 2 marks



Q4. Air is a gas at room temperature. The chemical formulae below show some of the substances in the air.

Ar CO2 H2O N2 Ne O2

(a) Put these formulae in the correct columns in table A to show which substances are elements and which are compounds.

table A

1 mark

(b) Put the formulae in the correct columns in table B to show whether the formula of each substance represents an atom or a molecule.

table B

1 mark

(c) The coldest possible temperature is ‘absolute zero’, which is –273°C. As air is cooled towards absolute zero it liquefies. Table C gives the boiling points of the substances in air.

table C



A sample of air at a temperature close to absolute zero is allowed to warm up.

Which substance boils first?

...................................................................................................................... 1mark

(d) Each particle of neon can be represented by a circle.

Carefully complete the diagrams below to show the arrangement of particles in neon gas and liquid neon.

Use circles about in size.

4 marks

Q5. The table shows the chemical formulae of six minerals which occur naturally.

From the table give the name of one mineral which is:

(i) a non-metallic element. ........................................... 1 mark

(iii) a compound containing potassium. ........................................... 1 mark

(iv) an electrical conductor at

room temperature. ............................................ 1 mark



Q8. The diagrams represent the way 'atoms' are arranged in six chemical substances.

Each 'atom' is represented by a circle.

The 'atoms' are labelled with their chemical symbols.

(a) (i) Which diagrams represent the structures of chemical elements?

Write the numbers.

...................................................................................................................... 1mark

(ii) Explain how you made your decision.

...................................................................................................................... 1mark

(b) Give the formulae of two of the compounds represented in the diagrams.

1. .................................................................................................................

2. ................................................................................................................. 2 marks

(c) Give the name of substance 6.

...................................................................................................................... 1mark

(d) Give the names of the chemical elements whose atoms can be represented by the



following symbols.

C ….………..……….……..…………………………………………………..…

Cl ….………..……….……..…………………………………………………..…

Cu ..………..……….……..…………………………………………………..….. 3 marks

This section 24marks

Q9. A section of the periodic table of elements is shown below.

(a) Where in this section of the periodic table are the metals found?

...................................................................................................................... 1mark

(d) Give the name of one element in the table above which is a gas at room temperature and in which the atoms are joined together in molecules.

...................................................................................................................... 1mark

Q10.

(a) From the substances named above, give:

(i) the name of a metal;

...................................................................................................................... 1mark

(ii) the name of an element which is a non-metal;

...................................................................................................................... 1mark

(iv) the name of a compound.

...................................................................................................................... 1mark

Q11. The drawing shows the label on a box of fertiliser for houseplants.



(a) To maintain healthy growth of their potted plants, people have to keep adding fertiliser to the soil. Explain why they need to keep adding fertiliser.

...................................................................................................................... 1mark

(b) Part of the Periodic Table is shown below. The three elements N, P and K shown on the fertiliser label are also shown in the table.

(i) The element N is nitrogen. What are the names of the other two elements?

P ..................................................................……

K ..................................................................…… 2 marks

(ii) Give the symbol for the most reactive metal shown in this part of the Periodic Table.

...................................................................................................................... 1mark



Q12. The diagrams represent the arrangement of atoms or molecules in four different substances, A, B, C and D.

not to scale

Each of the circles, , and represents an atom of a different element.

(a) (i) Which substance is a compound?

...................................................................................................................... 1mark

(ii) Which substance is a mixture?

...................................................................................................................... 1mark

(iii) Which two substances are elements?

………… and ………… 1 mark

(iv) Which two substances could be good thermal conductors?

………… and ………… 1 mark

(b) The following experiment was set up. Test-tubes containing substances B and C were placed together as shown. The substances did not react.

They were left for five minutes.



(i) How many molecules are there in the mixture compared to the total number in substances B and C?

...................................................................................................................... 1mark

(ii) Complete the diagram which is a model of this experiment.

1 mark

Q13. A Japanese volcano erupted in 1936. Molten sulphur poured out of the volcano.

When it cooled it formed rock sulphur.

(b) Sulphur is a non-metallic element. It is yellow and melts at 115°C.

Complete the sentences about sulphur.

(i) Sulphur is a poor conductor of

……………………………………… 1 mark

(ii) At 115°C sulphur changes from

a …………………………………… into a …………………..…………… 2 marks

Q14. The diagram shows an outline of part of the Periodic Table of Elements.

(a) What is the name of the element with the symbol H?

...................................................................................................................... 1mark

(b) In which regions of the Periodic Table are the following types of element found?

(i) non-metals (such as oxygen and chlorine);

region ………… 1 mark



(ii) very reactive metals (such as sodium and potassium);

region ………… 1 mark

(iii) less reactive metals (such as copper and zinc).

Region ………… 1 mark

(c) Why is copper sulphate not found in the Periodic Table?

...................................................................................................................... 1mark

(d) An iron nail is placed into some blue copper sulphate solution.

Q15. The diagram shows the parts of an iron.

(a) Choose words from the list below to fill the gaps in the sentences.

low high heat poor

sound gravity friction electricity

The bottom of the iron is made of steel because steel is a good

conductor of ……………………………, and because steel has a

…………………………… melting point.

The steel is polished until it is very smooth to reduce the force of

…………………………… between the iron and the cloth. 3 marks

(b) Suggest what material the handle could be made from.

...................................................................................................................... 1mark

Give a reason for your answer.

...................................................................................................................... 1mark

This section 29marks



(c) The iron has three temperature settings.

The settings for different fabrics are shown below.

What might happen if nylon clothes are ironed on the setting?

...................................................................................................................... 1mark

(d) After it is switched on, the iron heats up. The time it takes to heat up is shown below.

Suggest the time to heat up on the setting.

Write your answer in the table. 1 mark

Q16

The table shows the melting points and boiling points of four substances present in the air.

substance melting point, in °C boiling point, in °C

carbon dioxide –78 –78

nitrogen –210 –196

oxygen –219 –183

water vapour 0 100

(a) What happens to a piece of solid carbon dioxide if it is heated from –100°C to –78°C?

...................................................................................................................... 1mark

(c) The ‘liquid air’ is a mixture of liquid nitrogen and liquid oxygen.

Use the information in the table to suggest how liquid oxygen could be obtained from the mixture.

...................................................................................................................... 1mark

(d) (iii) How does the distance between the particles in atmospheric air compare to



the size of the particles themselves?

.............................................................................................................

............................................................................................................. 1 mark

Q17. Chris has two rubber party balloons. One is filled with air and the other is filled with helium.

Both balloons contain the same volume of gas.

(a) (i) Explain why the helium balloon rises.

...................................................................................................................... 1mark

(ii) Explain why the air balloon drops to the ground.

...................................................................................................................... 1mark

(b) The chemical symbol for helium is He.

The two party balloons are coated with a thin layer of aluminium.

Give the letter of the diagram which best represents the particles in:



(i) the helium gas; ....................... 1 mark

(ii) the air; ......................... 1 mark

(iii) the thin layer of aluminium. ......................... 1 mark

Q18. The list below shows properties that different elements can have.

• magnetic

• can be compressed

• very high melting point

• very low melting point

• good conductor of heat

• poor conductor of heat

• good conductor of electricity

• poor conductor of electricity

(a) Which two properties from the list above make aluminium suitable for saucepans?

1. .................................................................................................................

2. ................................................................................................................. 2 marks

(b) Which property in the list above explains why:

(i) copper is used in the cable of a television?

...................................................................................................................... 1mark

(ii) a lot of oxygen gas can be pumped into a very small container?

...................................................................................................................... 1mark

Q21. (a) The table below shows the melting points of four metals.

metal melting point,

in °C

gold 1064

mercury –37

sodium 98

iron 1540

(i) Which metal in the table has the highest melting point?

............................................................ 1 mark



(ii) Which metal in the table has the lowest melting point?

............................................................ 1 mark

(b) Gold can be a gas or a liquid or a solid.

Choose from these words to fill the gaps below.

When gold is heated from room temperature to 1070°C, the gold

changes from a ................................. to a ................................... . 1 mark

(c) 5 g of gold is melted and all of it is poured into a mould to make a pendant as shown below.

What is the mass of the gold pendant?

........................... g 1 mark

(d) The table below shows how the four metals react with oxygen when heated in air.

metal reaction when heated in air

gold no change

mercury slowly forms a

red powder

sodium bursts into flames

straight away

iron very slowly turns

black

(i) Which is the most reactive metal in the table?

............................................................ 1 mark

(ii) Which is the least reactive metal in the table?

............................................................ 1 mark



Q22. The drawing shows a gold mask from a tomb in Egypt. The gold is still shiny after thousands of years.

(a) What is pure gold? Tick the correct box.

a compound a mixture

an element a solution 1 mark

(b) The list shows some of the properties of gold.

It conducts electricity. It melts at 1064°C. It is yellow.

It is easily scratched. It stays shiny. It conducts heat.

(i) Which one of these properties shows that gold does not react with oxygen in the air?

...................................................................................................................... 1mark

(ii) Which two of the properties above are properties of all metals?

1. .........................................................................................................

2. ......................................................................................................... 2 marks

(c) Old iron objects from tombs in Britain are often covered with rust.

Iron reacts with oxygen when it rusts.

What else is needed for iron to go rusty? Choose one substance from the list below.

lead nitrogen carbon dioxide water

...................................................................................................................... 1mark

(d) A box contains a collection of metal objects from a tomb.



What piece of equipment would you use to separate the iron objects from the other metal objects?

...................................................................................................................... 1mark

49Marks

Mark Scheme Sec1 Sci C7p EQ 2010 to 1995 4Teachers 120marks M3. (a)

If more than four lines are drawn, deduct one

mark for each incorrect line minimum mark zero

4 (L4)

(b) answers may only be taken from the list in part (a)

good electrical conductor 1 (L4)

melting point of 3422°C 1 (L4)

answers may be in either order accept ‘conducts electricity’ or ‘conductor’ accept ‘ high melting point’ or ‘solid at high

temperatures’ do not accept ‘good thermal conductor’

[6] M4

(a)

element compound

Ar N2

Ne O2

CO2

H2O

all six formulae are required for the mark 1 (L7)

(b)

atom molecule

Ar Ne

N2

O2

CO2

H2O

all six formulae are required for the mark 1 (L7)

(c) Ne or neon 1 (L7)

(d) up to ten randomly arranged particles spaced throughout the box

accept just one particle do not accept an empty box

1 (L7)

most of the particles are not in contact with each other

1 (L7)

the box almost full of particles of neon, more than 50% of which

are touching each other 1 (L7)

the particles are randomly arranged

if the level of liquid is drawn then accept the

circles drawn correctly below the liquid level

1 (L7)

[7]

M5. (i) graphite do not accept ‘C’

1 (L7)

(ii) calcite do not accept ‘CaCO3’

1 (L7)

(iii) saltpetre do not accept ‘KNO3’

1 (L7)

(iv) gold or graphite do not accept ‘Au’ or ‘C’

1 (L7)

[4]

M8. (a) (i) 1



accept ‘C’ 3 accept ‘O’ 5 accept ‘S’ answers may be in any order all three answers are required for the mark

1 (L7)

(ii) they contain only one type of atom or symbol or letter

1 (L7)

(b) any two from • CO2

accept ‘O2 C’ • CH4

accept ‘H4C’ • NaCl accept ‘Cl Na’ or ‘Na18Cl18’ do not accept names of compounds

2 (L7)

(c) sodium chloride or salt do not accept ‘NaCl’

1 (L7)

(d) carbon 1 (L7)

chlorine do not accept ‘chloride’

1 (L7)

copper answers must be in the correct order

1 (L7)

[8]

M9. (a) the three columns on the left hand side

accept ‘the first three columns’ or ‘ on the left’ 1 (L7)

(b) Na 1 (L7)

Cl 1 (L7)

(c) magnesium sulphide do not accept ‘magnesium sulphite’ or ‘magnesium sulphate’

1 (L7)

(d) any one from • hydrogen • nitrogen • oxygen • fluorine • chlorine do not accept symbols

1 (L7)

[5]

M10. (a) (i) any one from • gold • iron • magnesium

1 (L3)

(ii) any one from • sulphur • phosphorus

1 (L4)

(iii) iron 1 (L3)

(iv) iron sulphide

1 (L5)

(b) magnesium sulphide do not accept ‘magnesium sulphite’ or ‘magnesium sulphate’

1 (L5)

M11. (a) answers should convey the idea that fertilisers are needed to replace

the nutrients used up by the plants any one from • as the plant grows, nutrients are used up • to replace the nutrients or minerals used by

the plant do not accept ‘soil in the pot contains a limited amount of nutrients’

1

(b) (i) P: phosphorus 1

K: potassium 1

(ii) K do not accept ‘potassium’

1

M12. (a) (i) C 1 (L7)

(ii) D 1 (L7)

(iii) A and B answers may be in either order both answers are required for the mark

1 (L7)

(iv) A and D answers may be in either order both answers are required for the mark

1 (L7)

(v) C 1 (L7)

(b) (i) the same accept ‘seven’

1 (L7)

(ii) a random, mixed arrangement of both types of molecule should be

drawn with the molecules not touching each other

1 (L7)

M13. (a) (i) magma 1 (L4)

(ii) igneous 1 (L4)

(b) (i) any one from • thermal energy accept ‘heat’ or ‘energy’ • electricity

1 (L3)

(ii) answers may be in either order • solid

1 (L3)

• liquid accept ‘fluid’

1 (L3)

(c) oxygen 1 (L4)

M14. (a) hydrogen 1 (L6)

(b) (i) region 3 1 (L6)

(ii) region 1



1 (L6)

(iii) region 2 1 (L6)

(c) any one from • it is a compound • it is not an element • it is made up of more than one element do not accept ‘it is not a single substance’

1 (L5)

(d) (i) copper + iron sulphate answers may be in either order both are required for the mark

1 (L6)

(ii) the nail becomes brown or pink or copper coloured

accept ‘it is covered in copper’ accept ‘it is rust coloured’ do not accept ‘it goes rusty’

1 (L6)

[7]

M15. (a) heat 1 (L3)

high 1 (L4)

friction answers must be in the correct order

1 (L4)

(b) plastic accept a suitable, named plastic accept ‘wood’ or ‘rubber’

1 (L3)

any one from • it is a poor conductor of heat or electricity accept ‘it does not conduct’ or ‘it is an insulator’ or ‘your hand does not get hot’ • it is light • it is easy to shape accept ‘it is rigid or stiff’ do not accept ‘it is strong’

1 (L4)

(c) they might melt accept ‘it makes a hole’ or ‘they burn’

1 (L3)

(d) accept any time from 45 to 60 seconds 1 (L4)

[7]

M16. (a) changes from a solid to a gas accept ‘it sublimes’ accept ‘it remains solid’

1

(b) (i) any temperature from –196°C to –210°C

1

(ii) they would become solid or freeze 1

they would block the pipes accept ‘the pipes could burst’

1

(c) any one from • boil away the nitrogen accept ‘by fractional distillation’ • warm it to between –196°C and –183°C accept ‘warm it to above – 196°C’ accept ‘cool it to below –210°C’ or ‘freeze the

nitrogen’

1

(d) (i) volume of room = 4 × 3 × 2.5 = 30 m3

mass of air = 1.2 × 30 = 36 kg the unit is required for the mark award both marks for the correct answer with

no working 1

(ii) 0.032 m3

the unit is required for the mark consequential marking applies accept answer to (d) (i) ÷ 1125 accept ‘32 000 cm3’ or ‘32 l’

1

(iii) any one from • distance is much larger than the size of the

particles accept ‘it is larger’ • in the gas the volume includes the space

between particles, but in the liquid it is the volume of the particles

only 1

[9]

M17. (a) (i) helium is less dense than air

accept ‘helium is lighter than air’ accept ‘the upthrust on the helium balloon is greater than the weight of the balloon’

1 (L7)

(ii) any one from • the air in the balloon is denser than the air in

the room accept ‘the air in the balloon is compressed’ • the rubber has weight accept ‘rubber is heavier than air’ accept ‘the rubber is denser than air’ accept ‘the upthrust on the air balloon is less than the weight of the balloon’

1 (L7)

(b) any one from • air is a mixture accept ‘air contains different gases’ • air is not a single element or compound ‘air is not a single substance’ is not sufficient

1 (L7)

(c) (i) B 1 (L7)

(ii) C 1 (L7)

(iii) G 1 (L7)

(d) (i) any one from • helium particles are smaller accept ‘molecules’ or ‘atoms’ for particles • helium particles move faster

1 (L7)

(ii) any one from • aluminium particles or atoms are closer

together • rubber particles or molecules are further

apart accept ‘rubber particles or molecules have bigger gaps between them’

1 (L7)



[8]

M18. (a) very high melting point answers may be in either order

1 (L3)

good conductor of heat do not accept ‘good conductor’

1 (L3)

(b) (i) good conductor of electricity do not accept ‘good conductor’

1 (L3)

(ii) can be compressed 1 (L4)

[4]

M21. (a) (i) iron do not accept ‘1540°C’

1 (L3)

(ii) mercury do not accept ‘–37°C’

1 (L3)

(b) solid to a liquid answers must be in the correct order both answers are required for the mark

1 (L3)

(c) 5 1 (L3)

(d) (i) sodium 1 (L3)

(ii) gold 1 (L3)

[6]

M22. (a) an element if more than one box is ticked, award no mark

1 (L4)

(b) (i) it stays shiny 1 (L3)

(ii) it conducts electricity 1 (L3)

it conducts heat answers may be in either order accept ‘it conducts’ for one mark if neither of the fully correct answers is given accept ‘it stays shiny’

1 (L3)

(c) water 1 (L4)

(d) any one from • a magnet • an electromagnet

1 (L3)

[6]


Name


Extension task: Expanding your mind using the C7p Material Properties topic Use the information below to create a 2 to 5 minute power point presentation, or poster, to explain something that

really interests you about this topic. There will be a special extra session in the last week or this topic, or the first

week of the next topic when you can explain to others

your idea.

• Only students who are really interested in

becoming the best at science need to try this,

it is up to you if you want to give it a go. All

students in any teaching group are welcome

to try though.

• Try to include colorful pictures, especially ones

you have drawn yourself, they will make your

project much better than simply copying and

pasting from the internet.

• Include lots of details.

• Explaining one thing clearly is much better

than just stating many facts.

• Ask a science teacher for help if you want more information about how to do a great presentation, or

about the idea you are interested in. Mr Brannac especially is most interested in any question you

have that he cannot answer!

Extra information to help you get ideas is available here:

Extension links, activities and simulations about nanotechnology

For information about graphene, look here: https://nanotechnologyforkids.weebly.com/graphene.html

For information about polymers look here: http://www.pslc.ws/macrog/kidsmac/index.htm

For a variety of fascinating simulations look here: https://phet.colorado.edu/en/simulations/category/chemistry

Simple Wikipedia

This uses simpler English words in its articles. It is still run by the same non-profit foundation as Wikipedia, but you

might find it easier to read

Homepage is: https://simple.wikipedia.org/wiki/Main_Page

For up to date news on science in general

For interested but less able students: https://www.dogonews.com/category/science

For more able students: https://www.sciencenewsforstudents.org/

ONLY for the most interested and ablest students:

For interested but less able students: https://www.dogonews.com/category/science

For more able students: https://www.sciencenewsforstudents.org/

BBC Bitesize - you may not be able to access all of the content in some parts of the world, but the notes here about

space are at the iGCSE level and are excellent: https://www.bbc.com/bitesize/levels/z4kw2hv


https://www.nano.gov/nanotech-101/what/definition

https://nanotechnologyforkids.weebly.com/graphene.html

http://www.pslc.ws/macrog/kidsmac/index.htm

https://phet.colorado.edu/en/simulations/category/chemistry

https://simple.wikipedia.org/wiki/Main_Page

https://www.dogonews.com/category/science

https://www.sciencenewsforstudents.org/

https://www.dogonews.com/category/science

https://www.sciencenewsforstudents.org/

https://www.bbc.com/bitesize/levels/z4kw2hv

https://www.nano.gov/nanotech-101/what/definition

name cambridge secondary 1 science topic book: material ...€¦ · elements that are not shiny,...

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