Earth Science

Organic matter is a main part of soil. What is the other main part of soil?

• worms

• dirt

• water

• inorganic matter

In a drought, farmers often have problems with their topsoil blowing away when it gets really dry. What could farmers do to keep the lightweight, dry soil from blowing away or eroding?

• Plant the seeds farther apart.

• Surround the fields with natural barriers, such as trees to block the wind.

• Keep cows in the field.

Tags

NGSS.3-5-ETS1-2

NGSS.4-ESS3-2

NGSS.3-ESS3-1

Farmers often have trouble with their topsoil washing away during times of heavy rainfall. What could they do to keep the soil from washing away or eroding?

• Keep pigs in the field.

• Plant crops in valleys rather than on hills.

• Try to create a place for the water to run off.

Tags

NGSS.4-ESS2-1

NGSS.3-5-ETS1-2

NGSS.4-ESS3-2

You are planning to buy a home along a river. You want to make sure that your home is safe from flooding and erosion. Which home should you buy?

• A house on land that is level with the river with lots of pretty flowers.

• A house on rocky, gently sloping land away from the river.

• A house at the top of a steep cliff that is made of sandy soil.

Tags

NGSS.3-5-ETS1-2

NGSS.4-ESS3-2

NGSS.3-ESS3-1

What is a renewable resource?

• A resource that can be replaced or recycled.

• A resource that will not run out.

• A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.

Tags

NGSS.4-ESS3-1

What is a non-renewable resource?

• A resource that can be replaced or recycled.

• A resource that will not run out.

• A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.

What is an inexhaustible resource?

• A resource that can be replaced or recycled.

• A resource that will not run out.

• A resource that cannot be replaced at all, or cannot be replaced as fast as people use it.

Sand dunes in the Middle East are created when the wind moves sand from deserts to new places. The sand being moved to a new location is an example of which of Earth's processes?

• erosion and deposition

• glacier movement

• Earth crust movement

• land mass motion

Tags

NGSS.4-ESS2-1

After a very heavy rain, a large amount of Earth breaks loose on a hillside. Which of Earth's processes caused this?

• glacier movement

• weathering

• land mass motion

• volcanic eruptions

Tags

NGSS.4-ESS2-1

Mount Everest grows 2 inches per year as the tectonic plates below it move toward each other. Which of Earth's processes causes this?

• weathering

• Earth crust movement

• land mass motion

• erosion and deposition

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3