year 8 science - nether stowe school 8...3 inheritance (the big question) aims in this homework you...

Student Name …………………………………………………………………………… Form Group………………

2017-2018

Year 8

Science Homework Booklet

SCIENCE DEPARTMENT NETHER STOWE HIGH SCHOOL

You will be expected to complete 2

pieces of homework per topic to be

chosen by the subject teacher (a total

of 8 for Biology, 8 for Physics and 8 for

Chemistry during the year).

Over the year, you will also be expected

to complete at least one task for each

science (3 in total) of your own choice

from the takeaway homework menu.

Take good care of your homework

booklet. There will be

consequences if it gets lost.

1

CONTENTS TABLE

Topic Homework Name Page(s)

BIOLOGY TOPIC 1: Genetics

Inheritance 1 2

The Big Question: Inheritance 3-4

Inheritance Crossword 5-6

BIOLOGY TOPIC 2: Variation and

Evolution

Evolution 7-8

The Big Question: Charles Darwin 9-10

Genetics 11-12

BIOLOGY TOPIC 3: Enzymes and

Digestion

Nutrition 13-14

Digestion 15-16

The Big Question: Enzymes in Industry 17-18

The Big Question: Food Tests 19-20

Diet and Digestion Crossword 21-22

BIOLOGY TOPIC 4: Disease

Communicable Diseases 23-24

The Big Question: Vaccines 25-26

Health and Disease Crossword 27-28

PHYSICS TOPIC 1: Motion

Speed and Motion Test Yourself 1 29

The Big Question: Motion 30-31



PHYSICS TOPIC 2: Force &

Pressure

Forces Test Yourself 1 34

The Big Question: Pressure on Solids 35-36



PHYSICS TOPIC 3: Energy

Energy Test Yourself 1 39

The Big Question: Energy Transfer 40-41



PHYSICS TOPIC 4: Electricity and

Magnetism

Electricity and Magnetism Test Yourself 1 44

The Big Question: Electromagnets 45-46



CHEMISTRY TOPIC 1: Rates of

Reaction

Chemical Reactions Test Yourself 1 49

The Big Question: Rates of Reaction 50-52



CHEMISTRY TOPIC 2: Structures

and Bonding

Cracking the Code 55-56

The Big Question: Ionic Bonding 57-58

Electron Configuration 59-60

Particles – True or False? 61-62

CHEMISTRY TOPIC 3: Electrolysis

and Energy Changes

Endothermic or Exothermic? 63

The Big Question: Electrolysis 64-65

Naming Salts 66-67

Types of Chemical Reaction Assessment Activity 68-69

CHEMISTRY TOPIC 4: Chemistry

Calculations

Balancing Equations 70

The Big Question: Titration 71-72

Chemical Formulae and Relative Formula Mass 73-75

Science Takeaway Homework Menu 76-78

Periodic Table of Elements 79

2

Inheritance 1

3

Inheritance (The Big Question)

Aims

In this homework you are given a question to answer. You will find the answer to this

question by learning how scientists worked together to find out more about DNA. You will

then write your answer to the question.

Big Question

What I need to know

Before answering a 6-mark question, you should always think about the information you

need to know to answer it.

The table below states the things you need to be able to do to answer the question. You

might not know how to answer all of them yet. Tick the box for the answers you know, and

write your answer in the answer box.

Learning objective Answer

Describe how genetic information

is carried.

Describe the structure of DNA.

Explain how scientists worked

together to develop the DNA

model.

Key words

Add all the key words you need to

answer the Big Question in this box.

Explain what DNA is and how the model of DNA developed. You should include information on

how genetic information is carried, as well as the role of different scientists involved in the

development of the DNA model. (QWC, 6 marks)

4

Answer to the Big Question

Now you need to write your answer to the question. This is a QWC question. This means

you will be marked on:

spelling

grammar

organising your ideas and information clearly

using key scientific words.

Write your answer in the space below.

Improvements

Write any suggestions for improvement in the box below.

5

Clues for the crossword can

be found on page 6

9

Charles Darwin (The Big Question)

Aims


question by studying Darwin’s observations of finches. You will then write your answer to

the question.

Big Question

What I need to know







Describe Darwin’s observations of

finches on the Galapagos Islands

Describe the theory of natural

selection, using Darwin’s finches as

an example

Key words



Explain how Darwin’s observations of finches in the Galapagos contributed to his theory of

natural selection. (QWC, 6 marks)

10




spelling

grammar




Improvements


17

Enzymes in Industry (The Big Question)

Aims


question by investigating the use of enzymes in washing powders. You will then write your

answer to the question.

Big Question

What I need to know







Describe some commercial uses of

enzymes.

Describe the effect of

temperature on a reaction

involving enzyme.

Explain what happens when an

enzyme is denatured.

Key words



Explain how enzyme reactions are affected by temperature. Explain how this might

affect your use of biological washing powders. (QWC, 6 marks)

18

Enzymes in Industry: Answer to the Big Question



spelling

grammar




Improvements


19

Food Tests

Aims


question by learning how you can test for different types of food. You will then write your


Big Question

What I need to know

Before answering a 6-mark question you should always think about the information you






Name the components of a healthy

diet.

Describe how to test foods for

starch, lipids, sugar, and protein.

Describe the positive result for

each food test.

Key words



Explain in detail how you would test a gingerbread-biscuit solution for the presence of starch,

sugar, and protein. (QWC, 6 marks)

20

Answer to the Big Question Now you need to write your answer to the question. This is a QWC question. This means


spelling

grammar




Improvements


21

Clues for the crossword can

be found on page 22

23

Communicable Diseases

25

Vaccines (The Big Question)

Aims


question by learning how you can test for different types of food. You will then write your


Big Question

What I need to know

Before answering a 6-mark question you should always think about the information you






Describe what the MMR vaccine is.

Describe how a vaccine works.

Explain how a vaccine results in

immunity to a disease.

Key words



Explain how the MMR vaccine makes someone immune to mumps (QWC, 5 marks)

26



spelling

grammar




Improvements


27

Clues for the crossword can be found on page 28

30

Motion (The Big Question)

Aims

In this homework, you are given a question to

answer. You will find the answer to this

question by describing distance-time graphs

and calculating speed. You will then write your


Big Question

What I need to know







Calculate speed.

Describe distance-time graphs.

Compare journeys on a distance-

time graph.

Key words



Above is a distance-time graph for three snails: Cyril, Gertie and Harold. Compare the journeys

of the three snails and describe what happened to their speed during their journeys. (6 marks,

QWC)

31



spelling

grammar




Improvements


35

Pressure on Solids (The Big Question)

Aims

In this homework, you are given a question to answer. You will find the answer to this

question by investigating the effect of force and area on pressure. You will then write

your answer to the question.

Big Question

What I need to know







Calculate pressure.

Describe the factors that affect

pressure.

Describe the effect of different

pressures.

Key words



The point of a nail has an area of 0.25 cm2, and an average person has a weight of

700 N. Explain in detail why it is possible to lie on a bed of 4000 nails, but not on a single nail. (6

marks, QWC)

36



spelling

grammar




Improvements


40

Energy Transfer: Radiation (The Big Question)

Aims


question by completing some short activities. You will then write your answer to the

question.

Big Question

What I need to know







Explain how energy is transferred

by radiation.

Describe some sources of infrared

radiation and of visible light.

Describe the properties of

infrared radiation and of visible

light.

Key words



Compare visible light and infrared radiation. (6 marks, QWC)

41



spelling

grammar




Improvements


45

Electromagnets (The Big Question)

Aims


question by investigating the effect of force and area on pressure. You will then write


Big Question

What I need to know







State what an electromagnet is.

Describe how to measure and

change the current of a circuit.

Explain how to test the strength

of an electromagnet.

Explain three ways to change the

strength of an electromagnet.

Key words



Rosie is building an electromagnet. She has set her electromagnet circuit up with an aluminium

core, a wire wrapped around the core ten times, a 6V power pack, an ammeter, and a variable

resistor.

Explain to Rosie how she could test the effectiveness of her magnet and improve its design. (6

marks, QWC)

46



spelling

grammar




Improvements


50

Rates of Reaction (The Big Question)

Aims

In this homework you are given a question to

answer. You will find the answer to this question by

about factors that affect rate of reaction. You will


A student investigated the rate of reaction

between marble chips (calcium carbonate) and

dilute hydrochloric acid.

The equation for the reaction is:

CaCO3(s) + 2 HCl(aq) → CaCl2(aq) + H2O(l) + CO2(g)

Big Question

What I need to know







State the different factors that

affect the rate of a reaction.

Describe the effect of surface

area on rate of reaction.

Explain the effect of surface area

on rate of reaction.

She:

added 10 g of marble chips to 100 cm3 of dilute hydrochloric acid

measured how much carbon dioxide was produced every 20 seconds

repeated the experiment using 10 g of powdered marble

plotted a graph of her results.

Compare and explain the results obtained for each type of marble. (6 marks, QWC)

51

Key words






spelling

grammar




52

Improvements


57

Ionic Bonding (The Big Question)

Aims


question by learning about bonding of elements to form compounds. You will then write


Big Question

What I need to know







State what is meant by ionic

bonding.

Identify which element loses

electrons and which element gains

electrons.

State the charge on the ions and

explain how an ionic bond forms

between the elements.

Key words



The equation shows the reaction between magnesium and chlorine to produce magnesium chloride.

Mg + Cl2 → MgCl2

Magnesium chloride consists of Mg2+ and Cl− ions.

Describe, in terms of electrons, how magnesium chloride is produced from magnesium and

chlorine. (QWC, 6 marks)

58




spelling

grammar




Improvements


64

Electrolysis (The Big Question)

Aims

In this homework you are given a question to answer. You will find

the answer to this question by learning about electrolysis. You will


Big Question

What I need to know







Label the positive and negative

electrodes.

Describe an appropriate method

for collecting gas at both

electrodes.

Describe a method that would lead

to the production of a valid set of

results.

Key words



Describe how the student could use the electrolysis

cell to investigate the volume of hydrogen collected

when sodium chloride is electrolysed. (6 mark, QWC)

65




spelling

grammar




Improvements


71

Titration (The Big Question)

Aims


question by learning about titrations. You will then write your answer to the question.

Big Question

What I need to know







State what is meant by a

neutralisation reaction.

Describe an appropriate method

for a titration.

Describe a method that would lead

to the production of valid results.

Key words



A student investigated the volume of sulfuric acid that reacted with 25 cm3 sodium

hydroxide. Describe a titration method the student could use in this investigation.

(QWC, 6 marks)

72




spelling

grammar




Improvements


76

Choose your homework from the menu below.

The chilli rating suggests the difficulty or level of challenge of the task.

Over the year, you will be expected to complete at least one task for

each science (3 in total).

You should attempt at least one ‘flaming hot’ task!

1. Create a poster about the consequences if no-one

studied science.

Think about why learning about science is important.

2. Research some famous scientists and their

discoveries.

In your book write down some facts about famous

scientists.

3. Identify the keywords that we have used in this

topic and write a keyword glossary.

Find the definitions of keywords, write them in

your book and learn how to spell them correctly.

4. Write 3 Tweets in your book that could summarise

the lesson / topic.

No more than 140 characters; use #’s for key

words and they must be informative.

5. Create 5 challenging quiz questions about today’s

lesson to test a class mate.

Write the questions in your book with the correct

answers.

77

6. Create a flow diagram, flow chart or comic strip to

explain a new process that we have learned about.

Use pictures and key words to explain the process

in a clear way.

7. Create a factsheet summarising the lesson, but

also add additional research and facts

Use correct terminology and use the internet to

include extra facts (no copy & paste!).

8. Create 10-20 challenging quiz questions about what

we have covered so far in this topic

Write the questions in your book with the correct

answers.

9. Write a poem or song describing a topic we have

covered.

Use any keywords you have learned, make it

memorable to help you remember.

10. Create a poster based on the topic covered so

far.

Include interesting facts, keywords and visuals.

11. Create a science board game. Include a range of

questions with different levels of challenge.

Make it visually interesting and be as creative as

you like.

12. Design a postcard about a topic. Summarise the

information into 5 key points.

Choose the most important points about the topic.

78

13. Write a newspaper article relevant to the topic

we are studying.

Include specific, accurate facts with good English.

You could include quotes and images. Have a look

at newspapers or online for ideas of how they

present articles.

14. Design an attention grabbing webpage that

summarises the topic we are studying.

Be creative; use any computer program, include

factual info and links to other useful websites

that may help with revision.

15. Write a script for a movie explaining a

concept/process/feature/anything you have learned

from this topic.

Write a script for a short film explaining a

particular element of a topic, to act as revision for

yourself and the class.

16. Imagine you are going to teach the class part of

the topic, come up with a starter or a plenary

activity for a lesson on that topic.

Create an introductory or recap task, game or

warm up for the class that could start a lesson.

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