Earth's Atmosphere

What is the percentage of nitrogen in Earth's atmosphere?

• 1%
• 21%
• 78%
• 90%

In which layer of the atmosphere does weather occur?

• Mesosphere
• Thermosphere
• Stratosphere
• Troposphere

Tags

NGSS.MS-ESS2-5

What is the lowest main layer of Earth's atmosphere?

• Thermosphere
• Troposphere
• Stratosphere
• Mesosphere

What are the 2 most abundant gases in Earth's atmosphere?

• carbon dioxide and oxygen
• carbon dioxide and nitrogen
• nitrogen and oxygen
• nitrogen and hydrogen 

Which of the following is NOT a reason why the atmosphere is important?

• It is made of many layers.
• It provides gases living things need.
• It provides warm temperatures.
• It protects us from UV rays and meteors.

Which of the following is the correct order of the atmosphere layers from Earth to space?

• troposphere, stratosphere, mesosphere, thermosphere, exosphere
• troposphere, mesosphere, thermosphere, exosphere, stratosphere
• thermosphere, stratosphere, mesosphere, troposphere, exosphere
• troposphere, stratosphere, mesosphere, exosphere, thermosphere

Where you will find the ozone layer.

• stratosphere
• thermosphere
• exosphere
• mesosphere

As you go higher in the troposphere, the temperature _______________.

• decreases
• increases
• stays the same
• gets very hot

Which layer of the atmosphere do most satellites orbit the Earth?

• Stratosphere
• Mesosphere
• Exosphere
• Ionosphere

Which layer protects the earth from meteors?

• Troposphere
• Stratosphere
• Mesosphere
• Thermosphere