Study for the Matter Test

Front

What happens to the weight when two substances are mixed?

Back

The weight of each substance stays the same.

Front

What is the best method to separate salt and water?

Back

Evaporate.

Front

Is the change of wood burning reversible or not reversible?

Back

Not reversible.

Front

What happens to the balloon when baking soda is mixed with vinegar?

Back

The balloon will get bigger because it will become filled with gas particles that are too small to be seen.

Front

What is the total weight of lemonade made with 300 grams of lemon juice, 300 grams of water, and 20 grams of sugar?

Back

620 grams.

Front

What is matter?

Back

Anything that has mass and takes up space.

Front

What are the three states of matter?

Back

Solid, liquid, and gas.

Front

What is a physical change?

Back

A change that affects one or more physical properties of a substance without changing its chemical composition.

Front

What is a chemical change?

Back

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

Front

What is evaporation?

Back

The process by which liquid turns into vapor.