Flashcards in Energy Deck (46):
____________ is the ability to cause change and do work.
The sun provides ___________ and ___________.
light; heat energy
There forms of energy are:
Solar power is energy from the ______.
Wind energy uses _____ to do the work.
Water energy comes from ________ water.
Fossil fuels are fuels that formed from decayed _________ and _________ that lived long ago.
Four examples of fossil fuels are:
3. Natural gas
Nonrenewable resources have a ________ amount of energy.
Renewable resources have energy that can be ___________.
renewed (or restored)
Three examples of renewable energy are:
Potential energy is ________ energy.
Kinetic energy is the energy of ________.
What is the flow of energy from one place to another?
What kind of power comes from a fuel called uranium?
What is the source of almost all energy on Earth?
What are two renewable resources that can be used to generate electricity?
1. wind (moving air)
2. flowing water
Wood comes from _______.
Wood has many important uses including its use as ______.
The formation of fossil fuels takes __________ of years.
Renewable energy means energy that can be __________. They can be made ________.
Nonrenewable resources means that once they are used up, they are gone and ________________ or ________.
cannot be replaced or made again.
What is an example of wind as a natural energy?
What is an example of sun as a natural energy?
solar panels for energy in a home
What is an example of water as a natural energy?
Name an advantage of using natural energy sources?
You can replace/restore them when they are used up.
Name a disadvantage to using natural energy sources?
Birds can die in windmills.
Plants use energy from the sun to __________.
Light, sound, and electricity are forms of _______.
People get the energy they need to move their bodies from _________.
The movement of electric charges from one place to another is called _____________.
People can make their supplies of coal and oil last longer by using ________________.
Some power plants use the energy produced by coal or oil to make _____________.
Objects that are made of metal are good _________.
A tool that measures temperature is a ___________.
A magnet attracts metal objects is made out of _________.
__________ poles of magnets repel each other.
Nonrenewable resources take ___________ of years to make.
Fossil fuels are nonrenewable fuel found _________ in the earth.
Examples of fossil fuels are ______, ________, and ___________.
coal, oil, and natural gas
Wind energy isa renewable energy source that uses the wind to turn _______ to make electricity.
Electricity can be made in many way and can be made from ___________ and _________ energy sources.
renewable and nonrenewable
What a natural resource?
Resource that we get from nature. They happen naturally and include sunlight, water, and wind.
What is a renewable resources?
Resources that can be replaced.
What is a nonrenewable resource?
Resource that cannot be replaced. Once they are used, they are gone.