Weather Maps and Convection Currents

What instrument measures temperature?

• Anemometer

• Barometer

• Thermometer

• Wind Vane

What instrument measures wind direction and shows direction on weather maps?

• Wind Vane/Compass Rose

• Anemometer

• Thermometer

• Barometer

What instrument measures wind speed?

• Wind Vane

• Weather balloon

• Barometer

• Anemometer

What instrument measures air pressure?

• Barometer

• Thermometer

• Weather Balloon

• Anemometer

What carries an instrument up into the atmosphere?

• Anemometer

• Compass Rose

• Wind Vane

• Weather Balloon

What kind of pressure system is this?

• High

• Low

• Both

• Neither

What kind of pressure system is this?

• High

• Low

• Both

• Neither

Which pressure system causes air to sink and spin counter clockwise?

• High

• Low

• Both

• Neither

Average air pressure at sea level is ...

• 25.17 inches of mercury

• 31.25 inches of mercury

• 29.92 inches of mercury

• 14.7 inches of mercury

What are the lines connecting points of equal atmospheric pressure on a weather map called?

• Contour lines

• Isobars

• Fronts

• Air Boundaries