Unit 8- Climate Change Quiz Review

Cold periods in Earth's history during when glaciers covered large parts of the surface:

• Sunspots

• Ice Age

• La Niña

• Global Warming

Dark, cooler regions on the surface of the sun caused by a strong magnetic field:

• Ice Age

• Monsoon

• Sunspots

• Leeward

A gradual increase in the average temperature of Earth's atmosphere:

• Global Warming

• Greenhouse Gas

• El Niño

• Climate

Gases in the atmosphere that trap heat; carbon dioxide (CO₂) is a major one:

• Greenhouse Gas

• Global Warming

• Sunspot

• CFCs

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which reason best explains this increase in temperature?

• lower levels of ozone in the atmosphere
• lower levels of nitrogen in the atmosphere
• higher levels of carbon dioxide in the atmosphere
• higher levels of oxygen in the atmosphere

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

Which of the following is contributing to an increase in carbon dioxide in the atmosphere?

• deforestation
• photosynthesis
• oceans
• all of the above

The warming of the atmosphere by the trapping of heat being radiated to space is called

• evaporation
• condensation
• the greenhouse effect
• radiation

The second layer of the atmosphere up from Earth, where the ozone layer is that protects us from harmful UV rays, is the

• thermosphere
• stratosphere
• troposphere
• mesosphere

Which human activity contributes the MOST carbon dioxide to the atmosphere?

• Fishing
• Breathing
• Burning Fossil Fuels
• Farming