Q3 Revision G5

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.

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 2 options.

• Ask people to drive more instead of walking or biking.
• Develop vehicles that burn more gasoline per mile driven.
• Reduce the amount of public transportation available in the city.
• Develop vehicles that use renewable energy instead of fossil fuels.
• Encourage people to carpool instead of driving individual vehicles.

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

• recycle
• reduce
• refilter
• reuse

4) Fill in the blanks using the available answer choices. Most gases that lead to acid rain come from ___________.

• natural sources
• burning fossil fuels

5) 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.

6) 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 2 options.

• 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

9) 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

Which of the following can happen when water (hydrosphere) interacts with rock (geosphere) formations?

• climate change and rain falls

• ocean waves and high tides

• canyons and sediments form

All of Earth's liquid and solid water make up the ___________________.

Which is an example of a process that can slowly change the surface of the Earth?

• earthquakes

• glaciers

• volcanoes

• landslides