This type of energy comes from the Sun’s rays.
What is solar energy?
This nonrenewable fossil fuel is a solid formed from ancient plant remains.
What is coal?
This is a main advantage of renewable resources—they won’t do this over time.
What is run out?
This type of resource can be replaced in a short amount of time.
What is a renewable resource?
Materials that can be used as sources of energy are called this.
What are energy resources?
This renewable resource uses the movement of air to generate electricity.
What is wind energy?
This fossil fuel is formed from ocean organisms under heat and pressure.
What is oil?
This is a main disadvantage of renewable resources—they can be expensive to do.
What is start or build?
These resources are created from remains of ancient organisms.
What are nonrenewable resources / fossil fuels?
Using less energy to reduce pollution and save money is called this.
What is energy conservation?
This type of energy comes from heat deep inside Earth.
What is geothermal energy?
This fossil fuel is a flammable gas found underground.
What is natural gas?
Nonrenewable resources have this advantage—they can be kept for later.
What is stored?
Both renewable and nonrenewable resources provide this essential thing humans use daily.
What is energy?
Turning off lights at school is an example of this helpful practice.
What is conserving energy?
Leaves, plants, and other once-living materials can be burned to create this type of energy.
What is biomass?
This nonrenewable energy resource comes from splitting atoms.
What is nuclear energy?
A major disadvantage of burning nonrenewable resources.
What is pollution?
This is how long it takes nonrenewable resources to form.
What is millions of years?
One benefit of conserving energy for the environment.
What is less pollution / less impact on ecosystems?
This renewable energy resource is clean but often very expensive to build, like dams.
What is hydropower?
These energy resources take millions of years to form and can be used up.
What are nonrenewable resources?
Some renewable resources cannot be used everywhere because of this limitation.
What is location or environment?
Give one way renewable and nonrenewable resources are alike.
What is they are natural resources / used by humans / provide energy?
Explain why conserving nonrenewable resources is important.
What is they can run out or take millions of years to form?