Physical and Chemical Changes

Front

True or False: Cooking eggs causes a chemical change.

Back

True

Front

A reaction or change in a substance that results in a different substance is called _____________.

Back

chemical change

Front

What chemical change occurs when living things begin to die?

Back

Decaying

Front

What chemical change occurs when you roast a marshmallow?

Back

Burning

Front

Which of these is an example of a chemical change? A match burning, An ice cube melting, Adding sugar to hot water, Painting your room pink.

Back

A match burning

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without changing its chemical composition.

Front

Give an example of a physical change.

Back

Melting ice.

Front

What happens to the molecules during a chemical change?

Back

They rearrange to form new substances.

Front

What is rusting an example of?

Back

A chemical change.

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.