6.11 AB Water Resources: Savvas

Which correctly identifies an example of a point source pollution and an example of a nonpoint source pollution?

• Point: waste dumped from sewage plants; Nonpoint: oil spills

• Point: agricultural runoff; Nonpoint: acid rain

• Point: oil spills; Nonpoint: deforestation

• Point: acid rain; Nonpoint: agricultural runoff

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

How can a rain barrel help manage water resources?

• It is a technology that helps purify water to be reused again.

• It increases the efficiency of how water is used which ultimately reduces the total amount of water a household uses.

• It is a technology that replaces a household's need for purified water.

• It is a conservation method that can help reduce the amount of purified water a household uses.

Which of the following is a management method that can help conserve water and reduce runoff caused by farming?

• Crop rotation, where farmers plant different crops based on the season to improve the soil health and optimize nutrients in the soil.

• Tilling, this allows for better absorption, farmers dig up the land after each growing session to remove weeds and roots.

• Fertilizing, where farmers add nutrients to the soil to increase crop production and health.

• Overgrazing, where animals are allowed to excessively eat plants which reduce ground cover.

Tags

NGSS.MS-ESS2-4

Which of the following would help conserve water resources? Choose all correct answers.

• Taking shorter showers.

• Watering outdoor plants daily.

• Turning off faucets when not in use.

• Washing the car weekly.

Tags

NGSS.MS-ESS2-4

Look at the image of water stress projections around the world. Which choose is the most realistic way technology can be used to help manage water resources?

• Technology can be used to help purify water to make it more usable.

• Technology can be used to increase the amount of rainfall.

• Technology can be used to create new water sources.

• Technology can be used to eliminate the need for water.

Tags

NGSS.MS-ETS1-3

How do wastewater treatment plants help conserve water resources?

• By adding more water to the system.

• By filtering and purifying water to remove contaminants.

• By storing water for future use.

• By evaporating water to reduce volume.