Vocabulary
Something that is made for a particular purpose. For example, a computer.
What is a device?
A fossil fuel that occurs in the gas state that is used in homes for heating, cooking, and water heating.
What is natural gas?
A material that releases energy as heat when it burns.
What is fuel?
Energy from the sun that can be changed into electrical energy?
What is solar energy?
The primary or original source of energy for ALL fuels.
What is the sun?
Materials that form as ancient (old) plants and animals decayed underground.
What are fossil fuels?
The most important fuel for transportation (gasoline and diesel) formed by decaying plants and animals.
What is petroleum?
The process of burning a fuel to produce heat which is a chemical change.
What is combustion?
Air movement causes wind. This machine can change this motion into electrical energy.
What are wind turbines?
They use this device in a coal power plant.
What is a boiler?
A device that changes energy of motion into electrical energy.
What is a generator?
What are natural gas, coal, and petroleum?
When plants store energy from the sun as chemical energy.
What is biomass?
Heat energy obtained (gotten) from beneath the Earth's surface.
What is geothermal energy?
Batteries store chemical energy and change it into this energy.
What is electrical energy?
What is a turbine?
A substance that formed when swamp plants died, sank to the bottom, were covered by soil & rock and underwent chemical changes because of the sun.
What is coal?
Harmful substances that can poison land, water, and air.
What are pollutants?
This takes moving water from flowing rivers and generates electrical energy.
What is hydropower?
This is a pollutant that increases the atmosphere's ability to hold heat.
What is a greenhouse gas?
The release of substances into the environment.
What are emissions?
An unstable element that is found in underground rocks.
What is uranium?
This is used in a power plant to lessen or prevent pollution. It acts as a net to filter out the the pollutants.
What is a scrubber?
When plants use energy from the sun to grow.
What is biomass energy?
These 2 energy sources have the least amount of impact on air, water, land, and habitats.
What are hydro and solar energies?