5th Grade Quarter 3 – Earth Science – Answer Key

Which Earth's Sphere contains all of the living things on Earth. Humans are part of this sphere, too.

• Geosphere

• Atmosphere

• Hydrosphere

• Biosphere

Which Earth's Sphere includes all of the gases in the air. Air is invisible, but from space air is visible as a thin layer with a slight, blue glow.

• Geosphere

• Atmosphere

• Hydrosphere

• Biosphere

Which Earth's Sphere contains all of Earth’s solid and molten, or liquid, rocks. It also includes sediments and soil.

• Geosphere

• Atmosphere

• Hydrosphere

• Biosphere

Which Earth's Sphere contains water on Earth, such as the water in rivers, lakes, and the ocean, as well as water found underground. It also includes all of the ice and snow on Earth.

• Geosphere

• Atmosphere

• Hydrosphere

• Biosphere

What gas makes up most of Earth’s atmosphere?

• Oxygen

• Carbon dioxide

• Argon

• Nitrogen

Jenny is making a poster about renewable resources. Which of the following should she include?

• Water

• Natural gas

• Oil

• Coal

The difference between renewable and nonrenewable resources is:

• Renewable resources can be replenished naturally, while nonrenewable resources cannot.

• Nonrenewable resources can be replenished naturally, while renewable resources cannot.

• Both renewable and nonrenewable resources can be replenished naturally.

• Neither renewable nor nonrenewable resources can be replenished naturally.

Which of the following human activities are part of agriculture? Choose two that are correct.

• Building homes

• Producing crops

• Building roads

• Raising farm animals/livestock

A company wants to mine copper in an area. What effects can mining have on the land?

• Mining can cause the erosion of soil

• Mining can pollute water

• Mining can pollute the land

• Mining can cause erosion, pollute water, and pollute land

A lumber company cuts down all the trees in an area so it can sell the wood. What is the removal of all the trees in an area called?

• Water pollution

• Deforestation

• Air pollution

• Erosion