Fuel sources formed from plants and animals that lived long ago.
What are fossil fuels?
Energy sources that can be replaced naturally.
What is renewable energy?
Devices that convert sunlight into electricity.
What are solar panels?
Using fewer resources and protecting the environment.
What is conservation?
A gas released when fossil fuels are burned.
What is carbon dioxide?
This fossil fuel is commonly used in power plants.
What is coal?
Examples of renewable energy include solar, wind, and this water-based energy source.
What is hydropower?
The type of energy that comes from the Sun.
What is solar energy?
The type of energy found in the nucleus of an atom.
What is nuclear energy?
Carbon dioxide is an example of this type of gas.
What is greenhouse gas?
This fossil fuel is also called petroleum.
What is oil?
These energy resources usually cause less pollution than fossil fuels.
What are renewable energy resources?
Buses and trains are examples of this type of transportation.
What is public transportation?
The process of splitting the nucleus of an atom.
What is nuclear fission?
Carbon dioxide warms the atmosphere because it does this.
What is trap heat?
This fossil fuel is often found near oil and sits on top of it.
What is natural gas?
One disadvantage of hydropower is that it can cause this problem.
What is flooding?
Public transportation helps conserve energy by reducing the number of these on the road.
What are cars?
Nuclear power plants create this type of dangerous waste.
What is radioactive waste?
The overall increase in Earth’s average temperature.
What is global warming?
Burning this fossil fuel can cause air pollution and acid rain.
What is coal?
Flooding from hydropower can force these living things to leave their homes.
Who are people and animals?
Public transportation reduces the burning of these energy sources.
What are fossil fuels?
This type of waste can cause sickness in people.
What is radioactive waste?
Long-term changes in weather patterns over time.
What is climate change?