Warm up: Atmospheric Structure and Composition

_______________is a greenhouse gas that is increased by burning fossil fuels.

• carbon dioxide
• oxygen vapor
• nitrogen
• helium

Tags

NGSS.MS-ESS3-5

The hottest and fourth layer of Earth's atmosphere is the ______________

• thermosphere
• stratosphere
• mesosphere
• troposphere

Tags

NGSS.MS-ESS2-6

The atmosphere is divided into five layers based upon the property of ____________.

• density
• color
• age
• temperature

Tags

NGSS.MS-ESS2-6

The temperature in the troposphere ____________with increasing altitude.

• doesn't change
• decreaeses
• increases
• does not vary

Above the troposphere, the _______ exhibits warming because the ozone absorbs the UV radiation from the sun.

• mesosphere
• troposphere
• mesopause
• stratosphere

Meteors burn up in this layer of the atmosphere

• troposphere
• stratosphere
• mesosphere
• thermosphere

The beautiful "northern lights " or Aurora borealis is in this layer of the atmosphere with reflected radiowaves.

• mesosphere
• stratosphere
• thermosphere
• tropsphere

In general air pressure __________ as you increase altitude.  This is why mountain climbers often need oxygen tanks to breathe.

• increases
• decreases
• stays the same
• does not vary

Gas that makes up 78% of our atmosphere.

• Oxygen

• Nitrogen

• Hydrogen

• Carbon Dioxide

Which layer of the atmosphere has the highest density of gas molecules?

• Exosphere

• Mesosphere

• Stratosphere

• Thermosphere

• Troposphere