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Science-Changes in Matter- Formative

Last updated over 6 years ago

7 questions

Note from the author:

Focus on Reversible and Irreversible Changes

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Question 1

1.

Watch the video. Is the change a physical or chemical change?

Physical

Chemical

Question 2

2.

Freezing water is a reversible change because ______________________________________.

it can never change state again

it can melt and go back to a liquid state.

it holds it's shape 

Question 3

3.

Watch the Video. Is the change reversible?

Yes

No

Question 4

4.

When metal rusts, it is a _______________________________ change.

physical

chemical

Question 5

5.

Watch the video. Is the change a physical or chemical change?

Physical

Chemical

Question 6

6.

Choose ALL examples of chemical changes:

a bicylce rusting in the rain 

a puddle evaporating 

wood burning in a fire

Question 7

7.

Choose ALL examples of physical changes:

chopping wood

melting an ice cube

frying an egg