changing materials! - alston publishing · pdf filename: class: date: changing materials! t 2...

Name: Class: Date:

Changing Materials!

Consolidation Worksheet 1How Can Materials Change?Which of the following change to form new materials? Tick (✓) the circles.

Paper

Paper

Water

Raw egg

Origami bird

Ash

Ice

Hard-boiled egg

© 2012 Alston Publishing House Pte Ltd Science SMART Teacher’s Guide Grade 2 233

Name: Class: Date:

Changing Materials!

Consolidation Worksheet 2How Can Forces Change Materials?Match the pictures to the actions.

Actions

Stretch

Twist

Bend

Squash

234 © 2012 Alston Publishing House Pte LtdAdditional Teacher’s Resources

Name: Class: Date:

Changing Materials!

Consolidation Worksheet 2How Can Forces Change Materials?Match the pictures to the actions.

Actions

Stretch

Twist

Bend

Squash

Name: Class: Date:

Changing Materials!

Consolidation Worksheet 3How Can Heat Change Materials?The pictures in each row show what happens before and after a material is heated.

For each row, write ‘1’ in the box for the material before it is heated. Write ‘2’ in the box for the material after it is heated.


Name: Class: Date:

Changing Materials!

Consolidation Worksheet 4How Can Cooling Change Materials?Match the materials to what they will become after they are cooled.

Melted chocolate

Water

Kiwi juice

Pudding mixture

Materials After cooling


Name: Class: Date:

Changing Materials!

Consolidation Worksheet 4How Can Cooling Change Materials?Match the materials to what they will become after they are cooled.

Melted chocolate

Water

Kiwi juice

Pudding mixture

Materials After cooling

Name: Class: Date:

Changing Materials!

Consolidation Worksheet 5How Can Water Change Materials?Place each of the words in the table under the correct heading in the chart below.

The first one has been done for you.

Chalk Instant coffee powder Milk powder Sand

Flour Marble Salt Sugar

Materials

Can dissolve in water Cannot dissolve in water

Instant coffee powder


Name: Class: Date:

Changing Materials!

Consolidation Worksheet 6What Are Some New Materials We Can Get From Natural Materials?Which of these are new materials that we get from natural materials? Tick (✓) the circles.

Wooden box

Plastic watering can

Oil

Glass marbles

Ice cubes

Newspapers


Name: Class: Date:

Changing Materials!

Consolidation Worksheet 6What Are Some New Materials We Can Get From Natural Materials?Which of these are new materials that we get from natural materials? Tick (✓) the circles.

Wooden box

Plastic watering can

Oil

Glass marbles

Ice cubes

Newspapers

Name: Class: Date:

Fun and Games

Changing Materials!

The words listed below are hidden in the letter grid. Find them!

Word Search!

BEND CHANGE COOL HEAT MELT RECYCLE SQUASH STRETCH TWIST

B V X E S Q U A S H

M C R E C Y C L E I

E O H U V M A E T C

L P L A C I S P R O

T N Y E N E T H W O

I U D P S G R A O L

T W I S T B E U B I

J E K L U P T Y E Z

O H E A T X C O N A

Q F A G I L H N D W


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Glossary

GlossaryChapter 4: Changing Materials!

Dissolve When a substance disappears when stirred in water

Liquid A substance that is fluid and has no definite shape

Melt To become a liquid by heating

Recycle To reuse a substance by making it into something else

Solid A substance that has a definite volume and shape

Marble A kind of stone that is often polished and used in buildings and statues

Squash To press forcibly against or cram into a small space

Steam Water changed into its gas form due to heat

Twist To combine two or more strands by winding them together/to change the shape by turning the ends in opposite directions

244 © 2012 Alston Publishing House Pte Ltd

Ch

ap

ter 4

changing materials! - alston publishing · pdf filename: class: date: changing materials! t 2...

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