Climate Change Review

Define Ozone Layer

• Heat trapped by greenhouse gases

• An increase in Earth's average temperature

• Significant long-term change in the expected patterns of average weather over time

• Layer of gas that shields Earth from UV light

Define Global Warming

• Heat is trapped by greenhouse gases

• Increase in Earth's average temperature

• Significant long-term change in the expected patterns of average weather over time

• Layer of gas that shields Earth from UV light

True or False: Water vapor and carbon dioxide are two types of greenhouse gases.

• True

• False

The concern about ozone depletion is too much radiation from the sun will enter Earth's atmosphere and increase the number of cases of cancer.

• True

• False

What month is the average mass of the Arctic polar ice cap measured?

• January

• June

• September

• December

What is the sea level change (in mm) from 1995-2013?

• 70 mm

• 50 mm

• 60 mm

• 30 mm

What does the entire scientific community agree upon?

• Earth's temperature is increasing

• Earth's temperature is decreasing

• Global warming occurs due to the suns energy output.

• Carbon dioxide is the cause of global warming

Heat trapped by greenhouse gases is called

• Climate Change

• Ozone Layer

• Greenhouse Effect

• Global Warming

What substance is most responsible for ozone depletion?

• Carbon dioxide

• Carbon monoxide

• Chlorofluorocarbons (CFC's)

• Chlorine gas

In Graph A, Atmosphereic CO2 Concentrations, what is the highest historical CO2 level recorded before 1950

• 180 ppm

• 220 ppm

• 300 pmm

• 380 ppm