Unit 3a Lesson 2 TEST: Human Impact on Water Resources

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.

About how much of earth's water is freshwater?

• 100%

• 3%

• 10%

• none

Conserving water is important because...

• we have a lot freshwater on Earth

• Water tastes good

• all living things need water

Tags

CCSS.RI.4.2

CCSS.RI.5.2

CCSS.RL.4.1

CCSS.RL.5.1

CCSS.RL.5.2

A scientist is studying the effects of burning fossil fuels. One effect is acid rain. She is creating a plan to prevent further acid rain damage to the ecosystem.

What should the scientist include in her plan? Select all that apply.

• Ask people to drive more instead of walking or biking.

• Develop vehicles that burn more gasoline per mile driven.

• Develop vehicles that use renewable energy instead of fossil fuels.

• Encourage people to carpool instead of driving individual vehicles.

• Reduce the amount of public transportation available in the city.

Which of the following is not one of the "three Rs" of conservation?

• recycle

• reduce

• refilter

• reuse

Most gases that lead to acid rain come from ​ (a)   .

• burning fossil fuels
• natural sources

Which will most likely happen if lake water becomes polluted by humans?

• Animals in the lake will die.

• There will be more fish in the lake.

• The pollution will not hurt the plants or animals in the water.

• It will change the soil around the lake into pebbles.

Tags

CCSS.RI.3.3

CCSS.RI.4.3

CCSS.RI.5.3

CCSS.RI.6.3

CCSS.RI.7.3

It has been very dry in Miguel's city for the past several months. The local government has placed the city under a drought warning, which means people in the city should try to conserve as much water as possible.

What can Miguel do to help conserve water?

Select all that apply.

• filter water before drinking it

• take short showers instead of baths

• brush his teeth at the same time each day

• turn off the water when he brushes his teeth

• wash his hands using hot water instead of cold water

Victoria went to a stream near her home and recorded these observations. What can you conclude from her observations?

• It is clean.

• It is suitable to drink.

• It is polluted.

• It has lots of fish.

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