Unit 1 Matter Review (Part 2)

Front

What type of change is rusting of iron an example of?

Back

Chemical change.

Front

How many total atoms are in the compound HCO₂?

Back

4 atoms.

Front

What happens to the properties of matter during a physical change?

Back

The properties of matter stay the same.

Front

What type of change results in the creation of a new substance?

Back

Chemical change.

Front

What type of change is shredding paper an example of?

Back

Physical change.

Front

Define a chemical change.

Back

A process where one or more substances are transformed into new substances with different properties.

Front

Define a physical change.

Back

A process that alters the form or appearance of a substance without changing its chemical composition.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change does not create a new substance, while a chemical change does.

Front

Give an example of a physical change.

Back

Melting ice.

Front

Give an example of a chemical change.

Back

Burning wood.