How do substances change?
Learn about how substances change.
Heating
Explore the process of heating.
Burning
Explore the process of burning.
Changes with water
Learn what changes happen when water is added.
Rusting and tarnishing
Learn about the processes of rusting and tarnishing.
Electroplating
Learn about the process of electroplating.
Using acids
Learn how acids can be used.
Changes that bring danger
Investigate dangerous changes.
Making plastics
Learn how plastics are made.
Making iron
Learn how iron is made.
Answers
Teacher's Guide.
