8 Review Topic 1

Front

What is an endothermic change?

Back

A change in which energy is absorbed.

Front

What measurement did Apollo 17 astronauts not use due to different forces of gravity?

Back

Weight.

Front

What happens to a substance that undergoes a physical change?

Back

It is still the same substance.

Front

Which of the following is a physical change? Cooking eggs, grilling hamburger, baking bread, or boiling water?

Back

Boiling water.

Front

To find the volume of a regular solid, you should multiply the length X width X what?

Back

Height.

Front

Define physical change.

Back

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

Front

Define chemical change.

Back

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

Front

What is the difference between mass and weight?

Back

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

Front

What is density?

Back

Density is the mass of an object divided by its volume.

Front

What is an example of a chemical change?

Back

Rusting of iron.