Physical and Chemical Changes Study Guide

Front

Mixing baking soda and vinegar is an example of a ________ because it produces bubbles.

Back

chemical change

Front

What is a Property?

Back

Characteristic (qualities) of a substance.

Front

What is a Physical Change?

Back

A form of matter is changed but no new substance is transformed into another.

Front

Burning sugar is an example of a ________ because it turns black and lets off smoke.

Back

chemical change

Front

What is an Endothermic reaction?

Back

A chemical reaction that gains or absorbs energy.

Front

What is a Chemical Change?

Back

A change that results in a new substance forming.

Front

What is an Exothermic reaction?

Back

A chemical reaction that releases energy.

Front

What is a Phase Change?

Back

A transition of matter from one state to another, such as solid to liquid.

Front

What is a Reversible Change?

Back

A change that can be undone, returning to the original state.

Front

What is a Physical Property?

Back

A characteristic of a substance that can be observed without changing its identity.