| A | B |
|---|
| The weight of the air over a given spot is called ____. | Air pressure |
| What tool do scientists use to measure air pressure? | A barometer |
| You are in a ____ pressure area when warm air presses down on the Earth's surface with less force. | Low |
| What type of weather do low pressure systems usually produce? | Wet weather |
| You are in a ____ pressure area when cold air pushes down harder on the Earth's surface. | High |
| What type of weather do high pressure systems usually bring? | Pleasantly dry and cool weather |
| What is the movement of air from high to low pressure areas? | Wind |
| What tool do scientists use to measure wind speed? | Anemometer |
| These clouds are fluffy and white with a flat bottom. They usually bring fair weather. | Cumulus clouds |
| This type of cloud is a smooth, gray cloud that covers the whole sky. It usually brings light rain and drizzle. | Stratus cloud |
| This type of cloud is feathery and made of tiny pieces of ice. It is associated with fair weather. | Cirrus cloud |
| This type of cloud looks like puffs of smoke. It usually brings thunderstorms. | Cumulonimbus cloud |
| What type of severe storm forms over land? | Tornado |
| What type of severe storm forms over water? | Hurricane |
| ____ is the measure of the amount of heat energy in the atmosphere. | Temperature |
