Atmosphere

Which of the following is the best example of conduction? 

• a light bulb warming a lampshade
• an egg cooking in a frying pan
• water boiling in a pot
• gases circulating in the atmosphere

Which gas in our atmosphere is most abundant?

• Argon
• Oxygen
• Nitrogen
• Carbon Dioxide

What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide?

• 1%
• 21%
• 78%
• 90%

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

• 1%
• 21%
• 78%
• 90%

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

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 

This layer is where weather occurs.

• troposphere
• thermosphere
• exosphere
• stratosphere

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.