Renewable Sources of Energy

What is a renewable resource?

• A resource you can reuse over and over

• An object you cannot replace

• Fossil fuels

• A resource that has a nearly unlimited supply

Wind Energy is...

•  Energy that comes from harnessing the movement of the air

• Energy that comes from the Sun

• A source of renewable energy, such as solar, wind, or geothermal energy

• Fuel from plant material

Renewable energy means we will not run out.

• True

• False

Sunlight, water, and wind are examples of inexhaustible forms of energy.  What does inexhaustible mean?

• We will run out at any minute.

• We will never run out.

• We will run out in 100 years.

• We will run out in 20 years.

What is the relationship between biofuels and greenhouse gas emissions?

• They use up food producing land and produce greenhouse gases

• They are cheap and energy efficient

• They are expensive to set up and waste water

• They release less carbon dioxide and monoxide than regular diesel

Tags

NGSS.HS-ESS2-4

What are the advantages and disadvantages of using wood as a renewable energy source?

• It uses up food producing land and produces greenhouse gases

• It is cheap and energy efficient

• It releases more greenhouse gases than regular diesel

• It is expensive to set up and wastes water

Tags

NGSS.HS-ESS3-2

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What is an advantage of biofuels?

• Produces greenhouse gases

• Renewable

• Release less carbon dioxide

• Uses up food producing land

Tags

NGSS.HS-ESS3-4

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What is an advantage of hydropower?

• No pollution

• Expensive to build

• May cause flooding

• Disrupts ecology of rivers

What is an environmental impact of wind energy?

• Unsightly

• Renewable

• No pollution

• Cheap once set up

Tags

NGSS.MS-ESS3-3

What factors make wood a cheap energy source?

• It releases less carbon dioxide and monoxide than regular diesel

• It needs good weather and only works in the day

• It is cheap and energy efficient

• It is expensive to set up and wastes water