This natural resource can be turned into electricity using large spinning blades.
What is wind?
This black, rock-like fuel is burned to make electricity in power plants.
What is coal?
The process of cutting down too many trees without replanting them is called this.
What is deforestation?
This household appliance uses the most electricity.
What is an air conditioner?
This is the most used renewable energy source in the world.
What is hydropower?
This renewable resource comes from the heat inside the Earth.
What is geothermal energy?
This fossil fuel is a thick, black liquid used to make gasoline.
What is oil (petroleum)?
The pollution caused by burning fossil fuels can lead to this type of weather problem.
What is global warming?
Cars run on this type of fossil fuel.
What is gasoline?
Fossil fuels are made from the remains of these ancient organisms.
What are plants and animals?
This type of energy is made from the Sun's rays.
What is solar energy?
This fossil fuel is found underground and is often used for cooking and heating homes.
What is natural gas?
These harmful gases in the air can make it harder for people to breathe.
What is air pollution?
People can use less energy by doing this instead of driving.
What is walking or biking?
This renewable energy source is the fastest-growing in the world.
What is solar energy?
Water energy is also called this.
What is hydroelectric power?
Fossil fuels take this many years to form.
What is millions of years?
One way to reduce energy use is by turning off lights when they are not needed. This is called ___.
What is conservation?
This type of lightbulb saves energy and lasts longer than regular bulbs.
What is an LED bulb?
Some cars today run on this type of energy instead of gasoline.
What is electricity?
Wood, crops, and animal waste can be used to create this type of renewable energy.
What is biomass?
Burning fossil fuels releases this gas, which can harm the environment.
What is carbon dioxide?
Using energy wisely to make it last longer is called this.
What is energy efficiency?
Solar panels are often placed in these two locations to capture the most sunlight.
What are rooftops and open fields?
This famous scientist discovered that energy cannot be created or destroyed, only changed.
Who is Albert Einstein?