Physical Science - Chemical Reactions

Front

What is the Law of Conservation of Mass?

Back

The total mass after a chemical reaction is the same as the total mass before the reaction.

Front

What type of change is boiling water?

Back

Physical Change

Front

What is a chemical reaction?

Back

The process by which a chemical change occurs.

Front

What type of change is melting ice?

Back

Physical Change

Front

What happens during a chemical change?

Back

The material and its properties change.

Front

What is a physical change?

Back

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

Front

What is a chemical change?

Back

A change that results in the formation of new chemical substances.

Front

Give an example of a physical change.

Back

Melting ice, boiling water, or dissolving sugar in water.

Front

Give an example of a chemical change.

Back

Burning wood, rusting iron, or baking a cake.

Front

What is an indicator of a chemical change?

Back

Color change, temperature change, gas production, or formation of a precipitate.