Exploring Earth's Systems and Resources

What is the main component of the Earth's atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Argon

Which of the following is a freshwater source?

• Ocean

• River

• Sea

• Salt Lake

What is the process called when water vapor cools and changes back into liquid droplets?

• Evaporation

• Condensation

• Precipitation

• Infiltration

Which of the following is a method communities use to conserve water?

• Leaving taps running

• Fixing leaks

• Increasing water usage

• Ignoring water waste

Which sphere of the Earth includes all living organisms?

• Geosphere

• Hydrosphere

• Atmosphere

• Biosphere

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How do plants contribute to the water cycle?

• By absorbing water from the soil

• By releasing water vapor through transpiration

• By blocking rainwater

• By storing water in leaves

Which of the following graphs would best represent the distribution of Earth's water?

• A pie chart showing 97% saltwater and 3% freshwater

• A bar graph showing equal amounts of saltwater and freshwater

• A line graph showing increasing freshwater

• A scatter plot of random water sources

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NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

How does the geosphere interact with the hydrosphere?

• Rivers erode rocks and soil

• Plants release oxygen

• Animals breathe air

• Clouds form in the sky

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What is one way communities can protect the Earth's resources?

• By using more plastic products

• By recycling materials

• By cutting down more trees

• By increasing pollution

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Explain how the water cycle is an example of the interaction between the hydrosphere and atmosphere.

• Water evaporates from the ocean and forms clouds

• Water stays in the ocean without changing

• Water only moves underground

• Water is used by animals only

Tags

NGSS.MS-ESS2-4