Study for the Matter Test

Front

What happens when baking soda is mixed with vinegar?

Back

It produces gas particles that fill the balloon, causing it to expand.

Front

What is the best method to separate a mixture of dirt and water?

Back

Using a paper filter.

Front

Is the melting of butter a reversible change?

Back

Yes, it is reversible.

Front

What is the weight of melted chocolate that solidifies?

Back

The weight remains the same, 35 grams.

Front

What happens to the weight of substances when they are mixed?

Back

The weight of each substance stays the same.

Front

Define 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 a physical change?

Back

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

Front

What is a chemical change?

Back

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

Front

Give an example of a reversible change.

Back

Melting ice is a reversible change.