Bill Nye Wind Lesson

Wind is caused by

• the rotation of the Earth
• uneven heating and cooling of the Earth's surface by the sun

• the presence of mountains
• the movement of ocean currents

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Warm air particles...

• COMPACT TIGHTLY and cool down and condense into liquid

• remain stationary in the air
• sink due to higher density
• SPREAD APART then rise due to lower density

Tags

NGSS.MS-ESS2-5

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What does cool air do?

• Cool air contracts then sinks and creates high pressure.

• Cool air has no effect on pressure.
• Cool air warms up and spreads to disperse heat.

• Cool air rises and creates low pressure.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Warm air _____ and cool air _____

• stays; moves
• sinks; rises
• rises; sinks
• falls; rises

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

When cold and warm air masses meet it causes...

• tornadoes
• hurricanes
• earthquakes
• weather fronts and precipitation

Tags

NGSS.MS-ESS2-5

The weatherman was wrong about high pressure because under those conditions skies would be

• overcast
• stormy
• clear
• foggy

Tags

NGSS.MS-ESS2-5

What device do we use to measure air pressure?

• Thermometer
• Hygrometer
• Anemometer
• Barometer

When there is low pressure air _____

• sink and cause clear skies.
• remain stationary and create high temperatures.
• rises and can lead to cloud formation and precipitation.
• compress and lead to drought conditions.

Tags

NGSS.MS-ESS2-5

What is the high altitude wind that moves from West to East Called?

• Jet stream
• Monsoon winds
• Tropical cyclones
• Trade winds

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Air _____ at the equator and _____ at the poles

• stays; moves
• sinks; rises
• falls; rises
• rises; sinks

Tags

NGSS.MS-ESS2-6