B3. Chemical Changes Vocabulary

Front

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

Back

Substance

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 information that supports an idea?

Back

Evidence

Front

What is a 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 is the term for a change that does not affect the chemical composition of a substance?

Back

Physical Change

Front

What do we call a reaction that produces heat or light?

Back

Exothermic Reaction

Front

What is the term for a reaction that absorbs heat?

Back

Endothermic Reaction

Front

What is a substance formed as a result of a chemical reaction?

Back

Product

Front

What is a substance that starts a chemical reaction?

Back

Reactant