Environmental Science End of Course Exam

Which of the following have been linked to climate change?  

• droughts
• flooding
• melting of polar ice caps
• all of the above

Which is a primary energy source used by power plants to generate electricity?

• coal
• wood
• gasoline
• batteries

What are some concerns about building dams to create hydropower? Check all that apply.

• Reduced silt flowing downstream to farmers.

• Reduced flooding in the surrounding areas.

• Dams change fish swimming patterns.

• Dams store too much water.

What is the definition of weather?

• a period of abnormally dry weather that lasts at least 2 years
• the specific condition of the atmosphere at a particular place and time
• a complex community of organisms and the community's environment
• a release of toxic gas

What is the average weather for a particular time and region called?

• drought
• weather
• emissions
• climate

What is the main cause of air pollution?

• plowing fields and releasing dust

• using solar power

• burning fossil fuels

• using water power

__% of the world’s tropical rainforests have been cleared.

• 15

• 75

• 30

• 45

Which country releases the greatest quantity of carbon dioxide into the atmosphere overall?

• China

• the USA

• Russia

• Germany

Which of the following is the best conclusion that can be made from this graph?

• atmospheric carbon dioxide levels have been decreasing since 1960
• Hawaii has a lot of carbon dioxide
• humans have been working hard to decrease carbon dioxide levels
• atmospheric carbon dioxide levels have increased steadily since 1960

A radioactive gas that can build up in homes.

• uranium

• helium

• oxygen

• radon