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Natural Science 3. Unit 5 PHOTOCOPIABLE MATERIAL 1 Look at the potion that the witch is making and answer the questions. a) Do you think the content in the pot is a homogeneous or a heterogeneous mixture? Why? b) Which properties do you think the witch’s pot should have? Circle them. Transparency Heat conductivity Impermeability Heat insulation Elasticity Resistance c) Which kind of spoon should use the witch to stir the potion, one made of wood or one made of metal? Why? d) Look at the pot. Which change of state is taking place in it? Evaporation Solidification Condensation e) The witch has cut the beech tree bark into small pieces. Do you think there is a physical change of matter or a chemical change of matter? Explain your answer. Lizard tail, Toad eyes, Beech tree bark, Mouse teeth … Kraskatulli, kraskatulla, My spell will be cast! REVIEW Matter and materials Name: Date: Class: 5 UNIT

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Page 1: uniT REVIEW Matter and materials 5 Name: Date: Class€¦ · 5 Name: Date: Class: uniT. Natural Science 3. Unit 5 PHOTOCOPIABLE MATERIAL 2 Complete the crossword according to the

Natural Science 3. Unit 5 PHOTOCOPIABLE MATERIAL

1 Look at the potion that the witch is making and answer the questions.

a) Do you think the content in the pot is a homogeneous or a heterogeneous mixture? Why?

b) Which properties do you think the witch’s pot should have? Circle them.

Transparency Heat conductivity Impermeability

Heat insulation Elasticity Resistance

c) Which kind of spoon should use the witch to stir the potion, one made of wood or one made of metal? Why?

d) Look at the pot. Which change of state is taking place in it?

Evaporation Solidification Condensation

e) The witch has cut the beech tree bark into small pieces. Do you think there is a physical change of matter or a chemical change of matter? Explain your answer.

Lizard tail,Toad eyes,

Beech tree bark,Mouse teeth …

Kraskatulli, kraskatulla,My spell will be cast!

REVIEW Matter and materials

Name: Date: Class: 5uniT

Page 2: uniT REVIEW Matter and materials 5 Name: Date: Class€¦ · 5 Name: Date: Class: uniT. Natural Science 3. Unit 5 PHOTOCOPIABLE MATERIAL 2 Complete the crossword according to the

Natural Science 3. Unit 5 PHOTOCOPIABLE MATERIAL

2 Complete the crossword according to the following definitions.

A. When gas changes to liquid.

B. When solid changes to liquid.

C. When liquid changes to gas.

D. When liquid changes to solid.

3 Look at the steel ball and the big cardboard box. Then, tick the correct statements.

It is impossible that the steel ball can contain more mass than the box, because it’s smaller.

If the ball is solid, it could contain more mass than the empty box.

The ball has more volume than the box.

The box has more volume than the ball.

4 Match each word with its meaning.

Reduce To give a second use to materials.

Recycle To reuse and change used materials into new things.

Reuse To use fewer materials.

S IO

A O

CA

C

D

B

O N

REVIEW Matter and materials

Name: Date: Class: 5uniT