Air Masses, Fronts and Pressure

Weather occurs because of high and low pressure systems. Which of the following is the MOST likely CAUSE of high and low pressure systems?

• Solar energy

• lunar gravity

• global warming

• Earth's magnetic field

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

I see very high feathery icy cirrus clouds in the air. What can I expect to happen to the weather.

• Fair right now, but rain predicted in the next 24-48 hours

• Thunderstorms and tornadoes

• Fog

• Fair now and for the rest of the week

Tags

NGSS.MS-ESS2-5

Looking at the graph, at what time did the rain most likely BEGIN TO STOP?

• between 6 P.M. and 7 P.M.

• between 8 A.M. and 9 A.M.

• between 10 A.M. and noon

• between 3 P.M. and 6 P.M.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-4

What is the primary cause of rainstorms? (THINK- more than one of these is TRUE> Which one is the MAIN cause of rain)

• Earth is heated by the Sun.

• Mountains direct moist air upward.

• Water forms droplets when cooled.

• Most of Earth is covered with water.

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

An air mass travels north over the Pacific Ocean, from the tropics, and then eastward across the United States. Which weather pattern can be expected?

• warm and wet

• cool and wet

• warm and dry

• cool and dry

Tags

NGSS.MS-ESS2-5

NGSS.MS-ESS2-6

Which condition is associated with MOST warm fronts?

• cloud formations bringing steady precipitation

• violent air mass collisions

• low temperatures

• tornado formations

Tags

NGSS.MS-ESS2-5

How do the conditions for a tornado differ from the conditions for a hurricane?

• Tornadoes form over land, while hurricanes form over bodies of water.

• Tornadoes never form when there is rain, while hurricanes always form with rain.

• Tornadoes form under low pressure, while hurricanes form under high pressure.

• Tornadoes form in a stable atmosphere, while hurricanes form in an unstable atmosphere.

Tags

NGSS.MS-ESS2-5

A model is shown. The blue warm water from the jar rises to the top of the bowl. This model is MOST likely showing which event?

• the convection currents that form thunderstorms

• the way heat is transferred from a gas grill to food

• the exchange of oxygen and carbon dioxide in lungs

• the direction in which a hurricane moves

Tags

NGSS.MS-ESS2-6

The reading on a barometer rises when ......

• air pressure increases.

• air pressure decreases.

• air humidity increases.

• air humidity decreases.

Tags

NGSS.MS-ESS2-5

When air is cooled it will MOST likely ...

• condense and fall.

• expand and fall.

• expand and rise.

• condense and rise.

Tags

NGSS.MS-ESS2-5