Introduction to the Earth's atmosphere

The layer closest to Earth

• Troposphere
• Exosphere
• Stratosphere
• Mesosphere

______________ in the stratosphere absorbs most of the ultraviolet radiation from the sun.

• Carbon dioxide
• Nitrogen
• Methane
• Ozone

The temperature __________ with altitude in the troposphere.

• increases
• remains constant
• fluctuates
• decreases

The coldest layer of the atmosphere

• Exosphere
• Thermosphere
• Mesosphere
• Troposphere

The warmest layer of the atmosphere

• Thermosphere
• Mesosphere
• Exosphere
• Troposphere

Meteors burn up in the ______________

• Stratosphere

• Exosphere

• Mesosphere

• Thermosphere

_________ makes up 78% of the gasses in the troposhere.

• Oxygen
• Argon
• Nitrogen
• Carbon dioxide

Temperature ________ as elevation increases in the stratosphere.

• increases
• remains constant
• fluctuates
• decreases

Most of the weather on Earth is located in the ___________.

• stratosphere

• troposhere

• exosphere

• ozone layer

Tags

NGSS.MS-ESS2-5

The _____________ is the ionized part of the upper atmosphere of Earth, from about 48 km (30 mi) to 965 km (600 mi) above sea level, a region that includes the thermosphere and parts of the mesosphere and exosphere.

• outer space

• asteroid belt

• magnetosphere

• ionosphere