Module 1 Review

Front

What happens when vinegar and baking soda are mixed together?

Back

A chemical reaction occurs, producing carbon dioxide gas.

Front

Do gases take the shape of the container they are in?

Back

Yes, gases expand to fill the shape of their container.

Front

What happens to a solid piece of chocolate when it is heated?

Back

It melts and turns into a liquid.

Front

What is the process called when a gas turns into a liquid?

Back

Condensation.

Front

When wood burns, does the ash and smoke weigh more than the original wood?

Back

No, the total weight decreases due to the release of gases.

Front

What is a chemical reaction?

Back

A process where substances combine or break apart to form new substances.

Front

What is the difference between a solid, liquid, and gas?

Back

Solids have a fixed shape, liquids take the shape of their container, and gases fill the entire container.

Front

What is evaporation?

Back

The process where a liquid turns into a gas.

Front

What is freezing?

Back

The process where a liquid turns into a solid.

Front

What is melting?

Back

The process where a solid turns into a liquid.