Which of the following is NOT a greenhouse gas? a) oxygen b) nitrous oxide c) carbon dioxide
a) oxygen
How does the level of carbon dioxide in the atmosphere 200 years ago (before the Industrial Revolution) compare to levels now?
lower
This type of renewable energy uses sunlight to make electricity.
What is solar power?
This gas is released when coal, oil, and gas are burned and helps trap heat in Earth’s atmosphere.
What is carbon dioxide?
Using energy from the sun, wind, or water instead of fossil fuels helps reduce this problem.
What is climate change?
This human activity is one of the biggest sources of extra carbon dioxide in the atmosphere.
What is burning fossil fuels?
Wind turbines create electricity by using the power of moving this.
What is air (wind)?
Coal is a fossil fuel: True or False
TRUE
This renewable energy source uses moving water, often from dams, to generate electricity.
What is hydropower?
This country emits the most carbon dioxide per person.
What is the United States?
This type of energy can be used again and again without running out.
What is renewable energy?
This is one major environmental benefit of using renewable energy instead of fossil fuels.
What is reducing pollution?
This natural process allows plants to remove carbon dioxide from the air using sunlight.
What is photosynthesis?
True or False: Without the Greenhouse Effect, Earth's temperature would be unsuitable for most forms of life because it would be too cold.
True
These help reduce carbon dioxide by storing it instead of releasing it into the air.
What are trees?
Solar panels and wind turbines help make electricity without burning these fuels.
What are fossil fuels?
Name one way that climate change is affecting the oceans?
arctic sea ice is melting
coral reefs are dying
ocean water is becoming more acidic
ocean levels rising
Riding a bike, turning off lights, or recycling are ways people can do this to help the planet.
What is reduce their carbon footprint?