Alternative Forms of Energy
What is the ability to do work?
Energy
Energy derived from the heat in the interior of the earth
geothermal energy
Electricity generated by flowing water like a river
hydroelectric power
A natural resource that is not replaced in a useful time frame- takes millions of years to make
nonrenewable resource
Oil, natural gas, and coal are examples of what?
nonrenewable resource examples
Radiant energy from the __________________________ can be converted into other forms of energy such as heat or ______________________ energy, to warm up water or living spaces
sun, thermal
Energy generated from the kinetic energy of moving air/ wind
wind energy
Anything that was once recently living and is combustible is in the ______________________ category.
biomass
Alternative energy sources such as biomass, wind, water, solar, and geothermal energy that are __________________________ and gentler on the plant.
cleaner
What are examples of non- renewable resources?
coal, oil, natural gas, rocks
The earth itself provides a source of clean energy. The earth is still very hot at its ______________________ and molten rock, or lava, lies just below the ____________________ .
core, crust
What is an advantage of solar energy?
it is non polluting
energy from the sun
solar energy
Energy from moving ________________________________ is the most widely used form of alternative energy in the world.
water
What are examples of renewable resources?
Sun, wind, water
Coal, oil, natural gas, and other fuels that are ancient remains of dead plants and animals.
fossil fuels
A natural resource that can be replaced at the same rate at which the resource is consumed- will not run out
renewable resource
Something produced in nature more rapidly than it is consumed by humans
renewable resource
Biomass, Solar, Wind Power, Geothermal Energy, Hydroelectric Power are examples of what?
renewable resource examples
List disadvantages of renewable resources.
Cost more to use and not predictable
Can fossil fuels run out?
Yes