Chemical vs. Physical Changes

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.

Front

What is a physical change?

Back

A physical change is a change that affects one or more physical properties of a substance without altering its chemical composition.

Front

Give an example of a chemical change.

Back

Frying an egg is an example of a chemical change.

Front

Give an example of a physical change.

Back

An ice cube melting is an example of a physical change.

Front

What happens to the molecules during a chemical change?

Back

During a chemical change, the molecules rearrange to form new substances.

Front

What happens to the molecules during a physical change?

Back

During a physical change, the molecules may change their state or appearance but remain the same substance.

Front

Is rusting of iron a chemical or physical change?

Back

Rusting of iron is a chemical change.

Front

Is boiling water a chemical or physical change?

Back

Boiling water is a physical change.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

Which of the following has matter: basketball, the sun, you, or all of the above?

Back

All of the above have matter.