Log in Sign up for FREE

Science Explainer- Changes in matter: physical versus chemical changes

Last updated 11 months ago

3 questions

Note from the author:

Read the passage Changes in matter: physical versus chemical changes. Then answer the questions below.

Instructions

Read the passage Changes in matter: physical versus chemical changes. Then answer the questions below.

Required

1

Question 1

1.

Drag each answer choice into the correct space.

A _________________________change can involve matter in its solid, liquid, or gaseous state. A _____________change causes a substance's composition to change, making it a different substance. A  _____________ change can be reversed because the substance remains structurally the same after the change.  

Other Answer Choices:

chemical

physical

physical or chemical

Required

2

Required

1

Question 2

2.

Drag each change of matter example into the correct box to show if it is a physical or chemical change.

dissolving sugar in water
boiling a pot of water
baking a cake
burning a piece of wood
combining vinegar and baking soda
shredding a sheet of paper

Physical changes
Chemical changes

Question 3

3.

Which statements are true about chemical changes, but not physical changes? Select three correct answers.

A substance may change its shape, or its texture or temperature may change. 

The change can only be reversed through another chemical reaction. 

A substance may change its state of matter after chemical bonds are broken. 

A substance's atoms are rearranged, and new molecules are formed. 

A precipitate or a gas may form, and the change may create heat or an odor. 