Chem/Phys Change Together

Front

What is a chemical change?

Back

A chemical change is a process where substances combine or break apart to form new substances with different properties. Examples include burning, cooking, and rusting.

Front

What is a physical change?

Back

A physical change is a process that alters the form or appearance of a substance but does not change its chemical composition. Examples include melting, freezing, and evaporating.

Front

Is burning a marshmallow a physical or chemical change?

Back

Chemical Change

Front

Is cooking breakfast a physical or chemical change?

Back

Chemical Change

Front

Is burning wood a physical or chemical change?

Back

Chemical Change

Front

What happens to the chemical composition during a chemical change?

Back

The chemical composition changes as new substances are formed.

Front

What happens to the chemical composition during a physical change?

Back

The chemical composition remains the same; only the form or appearance changes.

Front

What is an example of a physical change?

Back

An example of a physical change is water evaporating.

Front

What is an example of a chemical change?

Back

An example of a chemical change is iron rusting.

Front

Can a chemical change be reversed?

Back

Most chemical changes are not easily reversible, unlike physical changes.