Water
Heat
Altitude, air pressure, and temperature
100

What % is fresh water?

 What is 3%.

100

What happens to water when the temperature is below freezing?

What is ice.

100

What happens to air pressure as altitude increases?

What is decreases.

200

What % is saltwater?

What is 97%.

200

What is a type of natural energy?

What is thermal heat energy.

200

What happens to the temperature as altitude goes up?

What is decreases.

300

What falls as precipitation?

A. Rain

B. Hail

C. Snow

D. All of the above

 What is, D. All of the above.

300

What is it called when the sun heats the Earth?

What is radiation.

300

What is gravity?

What is, the force that affects air pressure.

400

When water changes to a solid what is it called?

What is ice.

400

What is it called when sand cools and heats?

What is convection

400

What percent of oxygen makes up the atmospheric gasses?

What is, 21 percent

500

When water turns into a gas what is it called?

What is water vapor.

500

What is it called when something touches something hot?

What is conduction.

500

Nitrogen makes about  ____ percent of the air we breathe?

What is, 78%