Climate Change

What is the direct cause of rising sea levels?

• Melting Sea Ice

• Melting Land Ice

• Climate Change

Possible human solutions for limiting global warming and climate change are...

• being more energy-efficient

• using renewable sources of energy

• removing carbon from fossil fuel emissions

• all of the above

MAIN greenhouse gas responsible for Climate Change is:

• nitrogen

• carbon

• carbon dioxide

• methane

Select the greenhouse gas(es)

• CO2

• Methane

• Oxygen

• All of the above

Which natural process removes carbon dioxide from the atmosphere?

• forest fires

• volcanic eruptions

• cellular respiration

• photosynthesis

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

• fishing

• farming

• breathing

• burning fossil fuels

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

 What is the greenhouse effect?

• The warming of a planet due to trapped radiation.
• The cooling of Earth due to air pollution.
• The heating of a solid, such as a rock.

Three bottles were heated under a lamp. What was most likely the temperature of the bottle of CO₂?

• 21^o C

• 23^o C

• 25^oC

• 27^oC

Answer explanation

Carbon Dioxide is a greenhouse gas that traps in heat! It will likely be hotter than the other two bottles.

Oceans cover approximately what percentage of our planet?

• 15%

• 35%

• 50%

• 75%