Atmospheric Compoition and Pressure pt. 2

What happens to air as it is heated by the sun?

• 1. The air molecules move farther apart and the warmed air rises upward.

• 1. The air molecules move closer together and the warmed air rises upward.

• 1. The air molecules move farther apart and the warmed air drops downward.

• 1. The air molecules move closer together and the warmed air drops downward.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which statement describes the composition of the Earth’s atmosphere?

• It is composed of oxygen.

• It is composed of nitrogen.

• It is composed of carbon dioxide.

• It is composed of a mixture of gases.

How would a meteorologist determine that air pressure is decreasing and

storms are likely?

• by using a barometer

• by using a wind vane

• by using a rain gauge

• by using a thermometer

Tags

NGSS.MS-ESS2-5

Which weather station will most likely experience clear and dry conditions with warm temperatures?    

• New Mexico

• Chicago

• Washington

• San Fransisco

Tags

NGSS.MS-ESS2-5

Which best explains how the atmosphere is important to life on Earth?

• The atmosphere is made up of nitrogen and oxygen which living things need for survival

• The atmosphere is envelope of gases that surrounds the planet

• The atmosphere keeps most of Earth's surface warm enough for water to exist as liquid and protects from radiation from the sun

• The atmosphere is is made up of mainly dust, smoke and salt which living things need for survival

What is the most abundant gas in the atmosphere?

• Nitrogen

• Oxygen

• Carbon Dioxide

• Water Vapor

When a person climbs a mountain, what happens to the air pressure around him?

• it decreases, then increases

• it remains constant

• it increases

• it decreases

The mixture of gases that surrounds the Earth is the ______

• Greenhouse Effect

• Ozone Layer

• Atmosphere

• Air Pressure

The pressure exerted by the weight of air...

• atmospheric pressure

• altitude

• density

• atmospheric atmperature

Atmospheric pressure is greater ________

• at the top of the mountain

• there is no difference

• at the center of the mountain

• at the bottom of the mountain