Watershed

Filter gradually through porous rocks and soil

• Percolate

• Mix

• Stir

• Dissolve

Tags

NGSS.MS-ESS2-4

When fertilizers enter surface water, they cause problems in

the watershed by -

• making too much food for fish

• blocking water flow

• making the water hard to swim in

• causing rapid algal growth that will choke aquatic life.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

NGSS.MS-LS2-5

The illustration provided shows a river and four cities on that river. When the water from the river was sampled at location X, it was determined to be polluted with various chemicals. What would be the most likely source for this pollution?

• City 1 and City 2

• City 2 and City 3

• City 3 and City 4

• City 1 and City 4

Tags

NGSS.MS-ESS3-4

Water pollution can occur when:

• Harmful substances enter a water supply

• Industries dispose of waste safely and correctly.

• Individuals or industries illegally dump waste

• None of the above.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

What can happen to fish when there is not enough oxygen in the water?

• They can suffocate

• They can't float

• They can't see.

• Nothing. Fish don't need oxygen.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

NGSS.MS-LS2-4

This picture demonstrates:

• Non-point source pollution: pollutants released in a wide area

• Point source pollution: pollutants from a single source

___________ drains into arroyos (concrete or sandy) and flows directly in the Rio Grande with out being cleaned.

• Stormwater

• Wastewater

• Trash

• Drinking water

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

__________ tells you how healthy the water is.

• water quantity

• water quality

• good water

• tasty water

A pollution source that can be directly identified is called:

• Non-point source pollution

• Industrial waste

• Point source pollution

• illegal

Tags

NGSS.MS-ESS3-3

The boundary around a watershed is called the

• watershed.

• divide.

• sub-watershed.

• transpiration.