What are two of the most significant threats to the environment mentioned in the text?

• Global warming and deforestation

• Global warming and desertification

• Pollution and desertification

• Deforestation and pollution

Tags

NGSS.4-ESS3-1

By how much has the Earth's average temperature risen since the 1800s?

• Between 0.5 and 0.9 degrees F

• Between 0.9 and 1.3 degrees F

• Between 1.3 and 1.7 degrees F

• Between 1.7 and 2.1 degrees F

During a science class, Ava asked, "What is the Greenhouse Effect?"

• The trapping of the sun's heat by gases in the Earth's atmosphere.

• The cooling of the Earth's surface by wind.

• The reflection of sunlight by the ocean.

• The absorption of sunlight by plants.

Which gas is released by burning oil?

• Oxygen

• Carbon dioxide

• Nitrogen

• Hydrogen

Tags

NGSS.4-ESS3-1

During a science class, Charlotte asked, 'Which of these is a natural greenhouse gas?'

• Argon

• Water vapor

• Neon

• Krypton

What happens to carbon dioxide levels when fossil fuels are burned?

• They decrease

• They stay the same

• They increase

• They disappear

Tags

NGSS.4-ESS3-1

What happens to the atmosphere as gas builds up?

• It becomes cooler and cooler.

• It becomes warmer and warmer.

• It stays the same temperature.

• It becomes colder and colder.

Tags

NGSS.5-ESS2-1

Mason and Avery are studying climate change. What is a possible consequence of ice caps and glaciers melting?

• Sea levels could rise.

• Sea levels could fall.

• Sea levels could stay the same.

• Sea levels could freeze.

Tags

NGSS.5-ESS2-1

What is another possible effect of climate change on agriculture?

• More rain.

• More droughts.

• More snow.

• More sunshine.

What is the effect of increasing greenhouse gases?

• Decrease in Earth's temperature

• Increase in Earth's temperature

• No change in Earth's temperature

• Cooling of the atmosphere