Front

William put a sugar cube in a cup of hot water. After a period of time, what happened to the sugar cube?

Back

It dissolved.

Front

Is this chemical equation balanced?

Back

No

Front

Is this chemical equation balanced?

Back

No

Front

Is this chemical equation balanced?

Back

Yes

Front

Is this chemical equation balanced?

Back

Yes

Front

Does the law of conservation of mass apply to the example of an acorn growing into a tall, massive oak tree?

Back

Yes. The mass of a growing plant comes from materials in its environment.