Chemical and Physical Changes

Front

Kai's experiment on chemical changes: How can paper undergo a chemical change?

Back

burn the paper with fire

Front

Example of a new substance formed:

Back

a nail rusting

Front

Sophia observes processes in her kitchen. Example of a physical change?

Back

an ice cube melting

Front

Zoe dropped a glass bottle, shattering it. Type of change?

Back

Physical Change

Front

Evelyn and Kai mix sodium bicarbonate and acetic acid, observing carbon dioxide production.

Back

Chemical Change

Front

Zoe observed sugar dissolving in tea.

Back

Physical Change

Front

Sophia mixes hydrochloric acid with potassium hydroxide, producing salt, water, and heat.

Back

Chemical Change

Front

Aiden slices a pellet of sodium.

Back

Physical Change

Front

Emma observes salt dissolving in water.

Back

Physical Change

Front

Nora burns steel wool.

Back

Chemical Change