Weather Instruments

What does an Anemometer measure?

• Wind Speed

• Air Humidity

• Wind Direction

• Wind speed and pressure

You live in Pennsylvania and are getting ready to vacation in California. How can you find out the weather in California?

• by reading your barometer.

• By checking your hygrometer.

• by looking out your window.

• by looking at a weather map.

Your local meteorologist announces that the humidity today is at 95%. What does this mean?

• The air pressure is very low.

• There is a high chance of getting snow.

• There is a great deal of moisture in the air.

• The air is very dry.

What does a hygrometer measure?

• Temperature

• Air Presssure

• Humidity

• Wind Speed.

How does an anemometer work?

• Small cups spin in the wind and it measures how fast they go.

• it determines how heavy the air is and then it predicts weather.

• Rain or snow falls onto it and it measure how much there is.

• it catches the wind and points in the direction the wind is blowing.

Which instrument measures air pressure?

• thermometer

• hygrometer

• barometer

• anemometer

Why does low air pressure usually indicate bad weather?

• it puts people in low spirits

• Storms form low pressure.

• it means cold weather is coming.

• the humidity is always low

Weather Instruments

Why do scientists need to be careful where they place a rain gauge?

• The rain gauge is a delicate instrument with many breakable parts all over it.

• Rain gauge can not be placed in an area that gets a lot of precipitation.

• A rain gauge has sharp edges that can cut a scientist hands.

• If a rain gauge is blocked from rain it wont accurately measure the amount of rain fall.