Science 10: Climate Change

What is one of the most pressing environmental issues today?

• Deforestation

• Global Climate Change

• Air Pollution

• Water Scarcity

What do scientists agree is the main contributor to global climate change?

• Natural Disasters

• Human Activities

• Animal Activities

• Solar Radiation

Which of the following is a consequence of global warming?

• Increased forest cover

• Rising sea levels

• Decreased CO2 levels

• Reduced temperatures

What percentage of the Earth's atmosphere is composed of nitrogen?

• 21%

• 78%

• 1%

• 50%

Which gas is the main driver of climate change?

• Methane (CH4)

• Nitrous Oxide (N2O)

• Carbon Dioxide (CO2)

• Water Vapor (H2O)

What is the average lifetime of methane (CH4) in the atmosphere?

• 10 days

• 10 years

• 100 years

• 1000 years

Which of the following is a human-made greenhouse gas?

• Ozone (O3)

• Water Vapor (H2O)

• Hydrofluorocarbons (HFCs)

• Methane (CH4)

What is the primary cause of increased greenhouse gas concentration?

• Volcanic Eruptions

• Burning of Fossil Fuels

• Ocean Currents

• Solar Activity

Which of the following is an example of a natural aerosol?

• Black Carbon

• Sulfur Dioxide (SO2)

• Hydrofluorocarbons (HFCs)

• Nitrogen Trifluoride (NF3)

What effect do bright-colored aerosols have on Earth's surface temperature?

• They warm the surface

• They cool the surface

• They have no effect

• They increase greenhouse gases