Understanding Greenhouse Gases and Climate Change

What would happen if Earth did not have an atmosphere regarding energy from the sun?

• All energy would be absorbed

• Most energy would be reflected back into space

• Energy would be trapped inside Earth

• Energy would increase Earth's temperature drastically

Which of the following is a major greenhouse gas?

• Oxygen (O2)

• Nitrogen (N2)

• Water vapor (H2O)

• Argon (Ar)

Which of the following is not a greenhouse gas?

• Water vapor (H2O)

• Carbon dioxide (CO2)

• Methane (CH4)

• Oxygen (O2)

What is the main source of energy for Earth's climate system?

• The Moon

• The Sun

• The Oceans

• The Wind

Which of the following is a natural process that helps keep Earth's temperature stable?

• The greenhouse effect

• Photosynthesis

• Evaporation

• Condensation

Why are polar regions generally colder than other areas?

• They receive more sunlight

• The energy is spread over a larger area

• They are closer to the sun

• They have more vegetation

What role does carbon dioxide play in the atmosphere according to the text?

• It acts as a cooling agent.

• It is a greenhouse gas.

• It prevents global warming.

• It is not absorbed by oceans.

What is one of the methods used to study climate change mentioned in the text?

• Satellite imagery

• Tree ring analysis

• Ice core sampling

• All of the above

What is the main topic of the lesson according to the title?

• Climate Change

• Oceanography

• Astronomy

• Geology

What has happened to the glaciers' ice between 1850 and the present?

• The ice has increased

• The ice has remained the same

• Much of the ice has melted away

• The ice has doubled