B3. Chemical Changes Vocabulary

Front

What is a change to a substance without forming a new substance, such as changing size or state of matter?

Back

Physical Change

Front

What is the process in which substances combine to make one or more new substances?

Back

Chemical Reaction

Front

What is a change that alters the identity of a substance, resulting in a new substance or substances with different properties?

Back

Chemical Change

Front

What does it mean to make or become different?

Back

Change

Front

What is a form of matter that is the same throughout and has specific properties?

Back

Substance

Front

What is the term for a change that results in the formation of new substances?

Back

Chemical Change

Front

What is the evidence that a chemical reaction has occurred?

Back

Signs such as color change, gas production, or temperature 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.

Front

What is an example of a physical change?

Back

Melting ice or breaking a glass.

Front

What is an example of a chemical change?

Back

Burning wood or rusting iron.