weather

Which instrument is used to measure the amount of rainfall?

• Barometer

• Rain gauge

• Hygrometer

• Anemometer

Why is the temperature lower at night than during the day?

• There are more clouds at night to block the sun's rays

• Winds blow harder at night

• The temperature depends on energy from the sun

• There is less water in the air at night

Which tool measures air temperature?

• Thermometer
• Anemometer
• Wind Vane
• Wind sock

What does this symbol on a weather map indicate? 

• High pressure system
• Low pressure system
• Cold front
• Warm front

What is weather?

• The amount of moisture in the air

• The number of clouds in the sky

• The speed of the wind

• The state of the atmosphere at any particular time.

Someone who studies the weather.

• rain gauge
• taxonomists
• meterologist
• satellites

The boundary  between two air masses is known as:

• front
• storm
• climate
• flood

A front is

• where warm air is cooling at earth's surface
• a boundary where hot and cold air are separating
• a boundary where two different air masses meet
• where cold air is rising and forming rain clouds

Which type of precipitation is formed when raindrops freeze before reaching the ground?

• Hail

• Snow

• Sleet

• Rain

What is an air mass?

• a place where weather always changes in an extreme way
• a large body of air with the same temperature and moisture
• any cloud that produces rain, sleet, snow or hail
• any kind of air, as long as it is always wet and freezing