Big Idea 9 - Changes in Matter

Front

What is a physical change?

Back

A physical change is a change in size, shape, or state of matter without altering its chemical composition.

Front

What is a chemical change?

Back

A chemical change is a change that results in the formation of new substances with different properties.

Front

What happens during a physical change?

Back

During a physical change, the form of matter may change, but its identity remains the same.

Front

What is an example of a physical change?

Back

Melting ice is an example of a physical change.

Front

What is an example of a chemical change?

Back

Burning wood is an example of a chemical change.

Front

What is evaporation?

Back

Evaporation is the process where a liquid turns into a gas, which is a physical change.

Front

What is rusting?

Back

Rusting is a chemical change that occurs when iron reacts with oxygen and moisture.

Front

What is the difference between physical and chemical changes?

Back

Physical changes do not create new substances, while chemical changes do.

Front

What is an indicator of a chemical change?

Back

Indicators of a chemical change include color change, gas production, and temperature change.

Front

What happens to matter during a chemical change?

Back

Matter is rearranged to form new substances during a chemical change.