B3. Chemical Changes Vocabulary

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 new substances with different properties?

Back

Chemical Change

Front

What does it mean to make or become different?

Back

Change

Front

What is information that supports an idea?

Back

Evidence

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 does not alter the chemical composition of a substance?

Back

Physical Change

Front

What is the term for the observable signs that a chemical reaction has occurred?

Back

Evidence of a Chemical Reaction

Front

What is the term for a substance that cannot be broken down into simpler substances?

Back

Element

Front

What is a combination of two or more substances that retain their individual properties?

Back

Mixture

Front

What is the term for a chemical change that releases energy, often in the form of heat or light?

Back

Exothermic Reaction