CA 8th Grade Review

Front

What is Oxygen Gas classified as?

Back

Element

Front

What best describes a heterogeneous mixture?

Back

A mixture where the components are not evenly distributed.

Front

What is the term for the tightness across the surface of water that enables paper clips to float?

Back

Surface tension

Front

How can you tell that a chemical change is occurring?

Back

A gas is being produced.

Front

If 32 g of Oxygen reacts with 8 g of Hydrogen, how much Water is produced?

Back

40 g

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the difference between a mixture and a compound?

Back

A mixture is a physical combination of substances, while a compound is a chemical combination.

Front

What is adhesion?

Back

The attraction between different substances, such as water molecules and plant cells.