Unit 1 Matter Test

Front

What happens to salt when it is dissolved in water?

Back

It forms a solution, but the amount of salt remains the same.

Front

What is a physical change?

Back

A change that does not alter the chemical composition of a substance, such as cutting an orange.

Front

What is removed when something freezes?

Back

Heat is removed from the substance.

Front

What is volume?

Back

Volume is the amount of space an object occupies, measured in liters.

Front

If you melt two 4-oz sticks of butter, what is the total weight of the melted butter?

Back

The total weight is 8 oz.

Front

What is matter?

Back

Matter is anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force of gravity acting on that mass.

Front

What is a solution?

Back

A mixture where one substance is dissolved in another, like salt in water.

Front

What is an example of a chemical change?

Back

Burning wood, which produces ash and smoke.