Renewable
What is a renewable energy source?
It can be replaced naturally
What is a nonrenewable energy source?
It cannot be replaced quickly. It takes millions of years to form and can run out.
What two items are NOT fossil fuels?
Uranium and Wood
What burns fuel to make heat and light?
Combustion
What does a generator do?
Turns motion into electricity
Which of these is a renewable energy source?
Coal, Uranium, Sun, Oil
Sun
Which of these is a nonrenewable resource?
Wind, Sun, Coal, Water
Coal
Which two actions help reduce greenhouse gases?
Build more coal plants.
Develop technology to reduce emissions.
Replace coal plants with nuclear power plants.
Remove scrubbers from power plants.
Develop technology to reduce emissions.
Replace coal plants with nuclear power plants.
What is a filter that cleans pollution from smoke?
Scrubber
What could make a dam produce less electricity?
A decrease in rainfall
Why are renewable energy sources more expensive to build?
They have more technology and materials which are expensive.
Which sources are more expensive to build? Renewable or Nonrenewable
Renewable
A student made a poster with Hydropower, Solar Energy, Wind Energy, and Biomass. What should be added?
Geothermal Energy
What spins to make motion energy?
Turbine
What is a gas that traps heat in Earth’s atmosphere?
Greenhouse gas
What two things will most likely reduce greenhouse gases?
Developing technology, and replacing coal burning plants with nuclear power plants
What two things will most likely reduce greenhouse gases?
Developing technology, and replacing coal burning plants with nuclear power plants
Give three examples of Fossil Fuels.
Coal, Oil, Natural Gas
What are fuels made from ancient plants and animals?
Fossil Fuels
What is one problem caused by a dam?
It blocks fish from swimming upstream.
What are 5 examples of a renewable energy source?
Sun, wind, water, biomass, and geothermal
What are 4 examples of nonrenewable energy sources?
Coal, Oil, natural gas, Uranium
How can we help reduce pollution?
By using a scrubber, or building technology that helps reduce pollution
What are substances released into the air or water?
Emissions
What heats energy from inside Earth?
Geothermal energy