Semester Test Review

Front

What is a property of pure substances?

Back

Uniform composition

Front

Which thing in this picture represents a gas?

Back

Bubbles

Front

What is the state of matter for the third image?

Back

Gas

Front

What is a result of a chemical change?

Back

A new substance is created

Front

In a circuit with a light, what type of energy is transformed first from a battery?

Back

Electrical energy

Front

What is a pure substance?

Back

A material with a uniform and unchanging composition.

Front

What are the three states of matter?

Back

Solid, Liquid, Gas.

Front

What is a chemical change?

Back

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

Front

What is an example of a physical change?

Back

Melting ice.

Front

What is the difference between a mixture and a pure substance?

Back

A mixture contains two or more substances that are not chemically combined, while a pure substance has a uniform composition.