Climate Change

Front

What is the best conclusion from the graph about atmospheric carbon dioxide levels?

Back

Atmospheric carbon dioxide levels have increased steadily since 1960.

Front

Which of the following have been changed or altered due to climate change?

• droughts
• flooding
• melting of polar ice caps
• all of the above

Back

all of the above

Front

What is the greenhouse effect?

Back

The warming of a planet due to trapped radiation.

Front

Which of the following is an example of a greenhouse gas? Options: Carbon Dioxide, Nitrogen, Oxygen, Neon

Back

Carbon Dioxide

Front

Which is a natural source of greenhouse gases? Options: aerosols, deforestation, volcanic eruptions, burning fossil fuels

Back

volcanic eruptions

Front

Which natural process removes carbon dioxide from the atmosphere? Options: forest fires, volcanic eruptions, cellular respiration, photosynthesis

Back

photosynthesis

Front

What was most likely the temperature of the bottle of CO₂? Options: 21^o C, 23^o C, 25^oC, 27^oC

Back

27^oC

Answer explanation

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

Front

Oceans cover approximately what percentage of our planet?

Back

75%

Front

As water heats up, the molecules do what?

Back

expand (get bigger)

Front

What are the two most common greenhouse gases? Options: Water Vapor (H₂O) and Methane (CH₄), Carbon Dioxide CO₂ and Methane (CH₄), Water Vapor (H₂O) and Carbon Dioxide CO₂, Water Vapor (H₂O) and Nitrous oxide (N₂O)

Back

Water Vapor (H₂O) and Carbon Dioxide CO₂