Wind Energy
These tall machines have large blades that spin to create electricity from the wind.
What are Wind Turbines?
These are the flat, blue or black objects usually placed on a roof to catch sunlight.
What are Solar Panels?
This is the general name for organic matter from living things, like wood, straw, or sugar cane.
What is Biomass?
Geothermal energy is heat that comes from inside this planet.
What is Earth?
This type of energy comes from sources that will never run out, like the sun and the wind.
What is Renewable Energy?
A wind turbine works like this common cooling machine, but in reverse.
What is a Fan?
A solar cell works like this common household object, but in reverse.
What is a Light Bulb?
Biomass is this type of energy because we can always grow more plants or trees to replace what we use.
What is Renewable Energy?
This hot center of the Earth is what continually produces the heat used for geothermal energy.
What is the Core?
These are energy sources like coal, oil, and gas that took millions of years to form underground.
What are Fossil Fuels?
7,000 years ago, people in Ancient Egypt first used wind to move these along the Nile River.
What are Boats (or Sailboats)?
Just one hour of sunlight hitting the Earth is enough to power the whole world for this long.
What is One Year?
Plants get their energy from this source before it is passed on to animals and humans.
What is the Sun?
Geothermal energy is "clean" because it does not produce this, unlike coal or oil.
What is Pollution (or Emissions)?
This is the name for the gas that is released when we burn fossil fuels, which causes the Earth to get warmer.
What is Carbon Dioxide (or Greenhouse Gas)?
Wind energy is a type of "Kinetic" energy. Kinetic energy is the energy of ____________.
What is Motion (or Movement)?
Even if it is a cloudy or rainy day, solar panels can still do this.
What is Generate Electricity?
This is a disadvantage of biomass; it can lead to the cutting down of too many trees if we don't replant them.
What is Deforestation?
These are two natural examples of geothermal energy that we can see on the Earth's surface.
What are Hot Springs and Geysers?
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Just one rotation (one turn) of a giant turbine can power a home for this many days.
What is Two Days?
To use solar power at night when the sun isn't shining, the energy must be kept inside these.
What are Batteries?
Burning biomass releases this gas into the air, which can contribute to global warming.
What is Carbon Dioxide (or Methane)?
Unlike solar or wind power, geothermal is called this because it can produce energy 24/7 in any weather.
What is Reliable?
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