Earth Quiz

What is the third planet from the Sun?

• Jupiter

• Mars

• Venus

• Earth

What percentage of Earth's surface is covered by water?

• 60%

• 50%

• 71%

• 80%

Which layer of Earth is composed mostly of iron and nickel?

• Atmosphere

• Crust

• Mantle

• Core

What is the primary gas in Earth's atmosphere?

• Oxygen

• Carbon Dioxide

• Nitrogen

• Hydrogen

What is the process called that involves evaporation, condensation, and precipitation?

• Carbon Cycle

• Water Cycle

• Rock Cycle

• Nitrogen Cycle

Which of the following is a challenge facing Earth?

• Stable temperatures

• Decreased pollution

• Climate Change

• Increased biodiversity

What stabilizes Earth's tilt and helps regulate its climate?

• The Core

• The Atmosphere

• The Moon

• The Sun

What is the outermost layer of Earth's atmosphere called?

• Troposphere

• Exosphere

• Stratosphere

• Mesosphere

What is essential for ecosystem health and human survival?

• Biodiversity

• Urbanization

• Deforestation

• Pollution

What is one way to combat climate change?

• Promote pollution

• Expand deforestation

• Increase fossil fuel use

• Reduce carbon emissions