How Does Matter Change? 1-5

Front

What is a Physical Change?

Back

A change in which the shape or form of a substance changes, but the substance still has the same chemical makeup. No new matter is created.

Front

What is a Chemical Change?

Back

A change that results in the formation of new chemical substances. The original substance is transformed into one or more different substances.

Front

What happens to the weight of water when ice melts in a glass?

Back

The weight remains the same; it will weigh 250 milligrams.

Front

What occurs when water changes states?

Back

Matter is neither lost nor gained.

Front

What is rusting?

Back

Rusting is a chemical change that occurs when iron reacts with oxygen and moisture, forming iron oxide.

Front

What is the Boiling Point?

Back

The temperature at which a liquid turns into vapor.

Front

What is the Melting Point?

Back

The temperature at which a solid becomes a liquid.

Front

What is Matter?

Back

Anything that has mass and takes up space.

Front

What is an example of a Physical Change?

Back

Melting ice, breaking a glass, or dissolving sugar in water.

Front

What is an example of a Chemical Change?

Back

Burning wood, rusting iron, or baking a cake.