Material Changes Revision

Before cooking an egg, what kind of material is the egg yolk?

(a)  

Squashing

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To change the shape of an object so that it becomes curved or folded.

• twist

• bend

• stretch

• squash

What happens to chocolate, butter and ice when they are heated?

• dissolve

• boils

• melts

• evaporate

Which of these materials will dissolve in water?

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Which materials do not dissolve in water?

• salt

• rice

• jelly powder

• pepper

As the candle melts, it changes from (a)   to liquid.

Boiling changes liquid water to (a)   .

Part B of the object is made of ___________________ material.

• firm

• rigid

• elastic

• see-through

Stirring makes dissolving faster.

• True

• False