Grade5 EOT 2

Which of these is a MAJOR cause of acid rain?

• spraying pesticides on crops
• burning fossil fuels for energy
• dumping sewage in river systems
• using uranium to generate electricity

How is acid rain formed?

• Carbon monoxide and carbon dioxide mix with water in the ocean.
• Carbon dioxide and oxygen mix with water in the air.
• Sulfur dioxide and carbon monoxide mix with lake water.
• Sulfur dioxide and nitrogen oxide mix with water in the air.

Which is NOT caused by acid rain?

• damage to statues

• dying fish

• spread of disease

• weakened trees

Which is a result of human activities?

• decay of leaves in a forest

• acid rain kills fish in a lake

• volcanic eruptions

• bad weather

What can you do to reduce acid rain?

• Use renewable resources

• Drive more

• Cut down trees

• Eat less meat

8) The biosphere is made up of all living things. Living things need water to survive and grow which they can get from the hydrosphere. A way to help conserve the hydrosphere is to make a water friendly front yard that has less plants that need a lot of water and less grass.

• True
• False

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

Why do we need to conserve water?

• It is an unlimited resource.

• It is a limited resource.

• There is a lot of water.

• There is no need to conserve water.

All of the landforms on earth

• Biosphere

• Geosphere

• Atmosphere

• Cryosphere

All of the air, oxygen, nitrogen, and gases that surround the earth.

• atmosphere

• biosphere

• hydrosphere

• geosphere