Hydrologic System Summative Assessment

What percentage of the water on Earth is considered “fresh water."

• 50%

• 75%

• 97%

• 3%

Tags

NGSS.MS-ESS2-4

Check the two correct answers.

The hydrologic system could not exist without the power of the ___________ and _______________.

• Gravity

• Waves

• Sun

• Wind

Tags

NGSS.MS-ESS2-4

Check all that apply:

What is a potential problem that can occur because of the difference in saltwater and freshwater on Earth? (Please write at least two full sentences).

• Not enough freshwater for people and/or animals to drink.

• Not enough freshwater to water crops to grow food.

• Freshwater is limited: once it's gone, it's gone.

• It is expensive to take the salt out of salt water.

Tags

NGSS.MS-ESS2-4

Why is it important to save freshwater as much as possible? (Please write at least two full sentences).

• It can only be found in ponds and lakes.

• It is a limited resource, there isn't an infinite source

• It can cause people to become sick.

• Only freshwater can change the landscapes of the Earth

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

________ is the breaking down of rocks into smaller smaller pieces.

• Weathering

• Erosion

• Deposition

________ is the movement of weathered rocks by natural forces.

• Weathering

• Erosion

• Deposition

_______ is when particles carried by water, ice, or wind are deposited (dropped off) in another location.

• Weathering

• Erosion

• Deposition

Pavement being cracked. Which is shown here?

• Deposition

• Erosion

• Weathering

Ocean waves leaving sand on the beach. Which is being shown?

• Deposition

• Weathering

• Erosion

Rain water carrying away soil from a field. Which is being shown here?

• Weathering

• Deposition

• Erosion

Tags

NGSS.MS-ESS2-2