Skill Check #3 Practice (TEKS 7.11A)

What is the primary function of a watershed?

• It collects and filters sunlight.

• It divides territories between different ecological zones.

• It collects and channels water from higher to lower elevations into a common outlet.

• It prevents water from seeping into the ground.

Tags

TEKS.SCI.7.11A

Which of the following are examples of surface water pollution?

• sewage discharged into a river

• trash swept into a stream from a storm drain

• oil leaking into a lake from a boat

• All of the above

Tags

TEKS.SCI.7.11A

What is the primary effect of oil pollution on surface water?

• It increases the water's oxygen level.

• It creates a barrier on the water’s surface, harming aquatic life.

• It decreases water temperature.

• It makes the water clearer.

Tags

TEKS.SCI.7.11A

What is a significant consequence of surface water pollution due to agricultural

runoff?

• increased water temperatures

• reduction in recreational water activities

• increased sediment that can harm aquatic life and increase treatment costs

• enhanced groundwater recharge

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Thermal pollution primarily affects water bodies by:

• introducing toxic substances

• increasing the clarity of water

• reducing the speed of water flow

• changing the water’s temperature, affecting aquatic life

Tags

TEKS.SCI.7.11A

Which of the following best describes the role of water treatment plants in

managing watershed impacts?

• They treat polluted water to make it safe for human use and improve environmental

  health.

• They increase the amount of freshwater available naturally.

• They directly remove pollutants from soil.

• They prevent pollution from occurring in watersheds.

Tags

TEKS.SCI.7.11A

A city by a river is growing fast. It has more factories, houses, and farms than before.

The city council is trying to take care of the water, but they’re having a hard time.

Which statements below include harmful impacts for the water in the area?
Select ALL that apply.

• Building more houses makes hard surfaces that stop water from soaking into the

  ground.

• The city has tough rules for throwing away waste and treating water.

• More shade from houses cools the water, which is good for the fish.

• Factories let contaminated water run straight into the river.

• Farms use a lot of chemicals that runoff into streams.

Tags

TEKS.SCI.7.11A

Look at the diagram showing pollution from a waste disposal site. Select three areas of concern where pollution might spread into the water cycle.

Tags

TEKS.SCI.7.11A

This type of pollution comes from any heating of natural water that results from human activity

• Thermal pollution

• Chemical pollution

• Biological pollution

Disposing of paint and other household hazardous materials down the drain is an example of (a)   pollution.

• Point

• Non-Point

Tags

NGSS.MS-ESS3-3