Year 8 Topic 7 Earth Part 2 Earth's Climate

Which gas forms 78% of Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Which gases are classed as greenhouse gases? (Choose two options)

• Carbon Dioxide

• Oxygen

• Nitrogen

• Methane

Describe the trend shown in the graph.

• The amount of carbon dioxide is increasing.

• The amount of carbon dioxide is decreasing.

• The amount of carbon dioxide is staying the same.

• The temperatures of the Earth is increasing.

The greenhouse effect warms the Earth.

• False

• True

Which of the following processes does NOT add carbon to the atmosphere.

• Burning Fossil Fuels

• Deforestation

• Photosynthesis

• Dissolving in sea water.

Which of the following processes does NOT remove carbon from the atmosphere.

• Respiration

• Photosynthesis

• Dissolving in Oceans

• Formation of Sedimentary Rock

Which two are consequences of climate change?

• More crops can be grown.

• Melting of ice caps causing sea levels to rise.

• Extinctions of animals and plant species.

• Everywhere on Earth will get hotter and drier.

How does an increase in carbon dioxide affect global temperature?

• decreases

• increases

• does not affect temperature

• temperature stays the same

Tags

NGSS.MS-ESS3-5

Increased carbon dioxide may cause global warming by trapping more ____________ in the atmosphere.

• water
• gases
• heat
• water vapor

Tags

NGSS.HS-ESS2-4

NGSS.HS-ESS2-6

Worldwide, temperatures have been increasing for more than 100 years.  Is this evidence of global warming?

• yes
• no

Tags

NGSS.MS-ESS3-5