Energy Sources

Identify a con of using solar power as an energy resource.

• It causes pollution

• It is only available when there is sunlight

• It is nonrenewable

• It will not run out

What energy resource produces energy from recently living organisms such as leaves or plants? These materials can be burned to release energy.

• Geothermal

• Solar

• Biomass

• Hydroelectric

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What conversion of energy takes place in a generator for a hydroelectric dam or wind turbine?

• Mechanical --> Sound

• Electrical --> Mechanical

• Electrical --> Sound

• Mechanical --> Electrical

What does it mean if a resource is considered to be inexhaustible?

• It causes major pollution when being used

• It is very expensive to use for energy

• It exists in a supply that will run out

• It exists in a supply that will never run out

Which energy resource would be most beneficial in an area that experiences hot summer days, little rain, and calm weather?

• Hydroelectric

• Geothermal

• Solar

• Wind

What is the renewable source of energy that comes from extreme heat within the Earth?

• Solar

• Hydroelectric

• Geothermal

• Biomass

Most renewable energy is derived directly or indirectly from the sun.

• True

• False

Tags

NGSS.MS-LS1-6

NGSS.MS-ESS2-4

Wind is able to turn turbine blades which spin a generator. The generator converts mechanical energy into electrical energy.

• True

• False

Tags

NGSS.MS-PS3-5

Besides coal and natural gas, another fossil fuel  is

• petroleum/oil

• biomass

• electricity

• uranium

Fossil fuels are nonrenewable  resources because they

• take millions of years to form

• are easily replaced

• are in high demand

• don't pollute the air