The layer of gases that surrounds the Earth is known as its (a)  

• atmosphere
• lithosphere
• hydrosphere
• biosphere

Tags

NGSS.MS-ESS2-6

Which gas is most abundant in Earth's atmosphere? (a)  

• oxygen
• nitrogen
• carbon dioxide
• ozone

What are greenhouse gases?

• gases that cause climate change
• gases that emit green smoke
• gases that are used to make green colored glass

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Which of the following have been linked to climate change?   (a)  

• droughts
• flooding
• melting of polar ice caps
• all of the above

Tags

NGSS.MS-ESS3-5

The main human activity that releases greenhouse gases is (a)  

• using bottled water
• burning fossil fuels
• texting on cellphones
• eating meat

Some greenhouse gases are naturally present in the Earth's atmosphere (a)  

• True
• False

Carbon is stored in

• Trees and other living things
• Oceans
• underground in soil and fossil fuels
• All are correct

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen? (a)  

• the hole in the ozone
• the greenhouse effect
• atmospheric pressure
• the inversion layer

In the pie chart, the pink section represents which gas in Earth's atmosphere? (a)  

• Carbon dioxide
• Oxygen
• Nitrogen
• Hydrogen

The substances listed on the right side of a chemical equation are the (a)  

• Yields
• Reactants
• Products
• Precipitates