Weather

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.

Why can't you see the water vapor in the air?

• It exists as a clear, colorless gas

• It's all been condensed

• There is very little of it

• It's all far away, in the upper atmosphere

What is the difference between absolute humidity and relative humidity?

• Absolute humidity represents how much water the air actually holds; relative humidity is how much water the air can hold

• Relative humidity makes the air sticky; absolute humidity makes the air dry

• Absolute humidity is how much water the air can hold; relative humidity represents how much water the air actually holds

• Absolute humidity is expressed as a percentage; relative humidity is expressed as a whole number

What will happen if the relative humidity is 100 percent, and the temperature begins falling?

• It will start to rain

• The air will be sticky and uncomfortable

• The temperature will rise

• The barometric pressure will rise

Precipitation is....

• rain
• snow
• sleet
• all of these are correct

An anemometer is used to measure...

• rain fall
• snow
• wind speed
• wind direction

Which tool measures air temperature?

• Thermometer
• Anemometer
• Wind Vane
• Wind sock

Weather is the current conditions outside.

• True
• False

A scientist who studies weather is called ...

• a meteorologist
• an astronomer
• a biologist
• a weatherologist

Why do meteorologist use this tool?

• To measure temperatue
• To measure wind direction
• To measure snow fall
• To measure rainfall