Human Effects on Water

Victoria went to a stream near her home and recorded these observations: the water temperature was 90 degrees, had very few insects, the water had a very strong odor. What can you conclude from her observations?

• It is clean.

• It is suitable to drink.

• It is polluted.

• It has lots of fish.

Tags

NGSS.MS-LS1-5

Which of the following is one way humans pollute the hydrosphere?

• fishing

• farming and causing soil runoff

• going on a paddle boat

• cleaning up an oil spill

Tags

NGSS.MS-LS2-4

Camila notices that people throw trash on the ground around the pond by her house. The ducks and fish that live in the pond can be harmed by this trash. Camila wants to come up with a plan to clean up the pond and keep it clean. Which of these should be part of Camila's plan? Select 3 options.

• Put up signs that ask people not to litter.

• Move the ducks and fish to a new pond.

• Ask more people to come fish in the pond.

• Use nets to get the existing trash out of the water.

• Put trash cans around the pond for people to use.

Tags

NGSS.MS-ESS3-3

NGSS.MS-ETS1-1

NGSS.MS-LS2-5

1) Why is it important to clean, conserve, and protect water?

• Water is expensive.

• Water is a living thing.

• Water can be frozen.

• Water is a limited resource.

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

Is the following an example of a positive or negative impact on the earth's ocean systems? Artificial reefs placed on the seafloor enhance marine life by creating new reef habitats.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems? Commercial fishing nets often times scrape the seafloor scooping up everything in its path. Dredge fishing destroys habitat and kills bycatch (fish, sharks, and other marine life caught unintentionally).

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems? Fertilizers from farms runoff into rivers and create dead zones at the mouth of rivers in our world's oceans.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems?

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-ESS3-4

Is the following an example of a positive or negative impact on the earth's ocean systems? Fishing regulations create fishing seasons (time of year people are allowed to fish) to allow fish the opportunity to reproduce and increase species population.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Is the following an example of a positive or negative impact on the earth's ocean systems? The great pacific garbage patch collects trash from our oceans currents from around the world.

• Positive Human Impact on Ocean Systems

• Negative Human Impacts on Ocean Systems

Tags

NGSS.MS-ESS3-4