A
the layer of gases surrounding the Earth
atmosphere
energy transferred by the flow of an electrical current
electricity
to create or produce something
generate
to throw or bounce a wave back from a surface
reflect
to save or reserve
store
the path around which an electric current circulates
circuit
something we can use to get energy to power our world, such as the wind, Sun, waves, or fossil fuels
energy resource
the electricity generated by falling or flowing water, also called hydroelectric power
hydropower
to make something like new again, to do or make something again
renew
energy that is being kept or held in something (such as a battery, or food)
stored energy
a rule or limitation
constraint
when energy moves from one place or object to another
not able to be made new again
nonrenewable
able to be made new again
renewable
electricity generated using the power of the wind
wind power
rules, standards or goals against which something can be judged, evaluated or measured
criteria
the natural world
environment
an energy resource that uses uranium to generate electricity
nuclear power
related to the Sun
solar
a machine that turns with the wind and generates electricity
wind turbine
the flow of electric charge
electric current
a natural fuel such as gas, coal, or oil, that was formed from the remains of ancient plants and animals
fossil fuel
giving out out a certain type of harmful energy, called radiation
radioactive
an object that can cook something using energy from the Sun