Physical & Chemical Changes

Front

What is a chemical change?

Back

Any change that results in the formation of new substances.

Front

What is a physical change?

Back

A change affecting the form of a chemical substance, but not its chemical composition.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What is a precipitate?

Back

A solid that forms when one liquid is poured into another.

Front

What happens during a chemical reaction?

Back

New substances are formed.

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is an example of a chemical change?

Back

Burning wood.

Front

What is the law of conservation of mass?

Back

Matter cannot be created or destroyed, only changed in form.

Front

What is an indicator of a chemical change?

Back

Color change, gas production, or formation of a precipitate.

Front

What is an example of a gas forming during a chemical change?

Back

Bubbles forming when vinegar is mixed with baking soda.