Alternative energy (1)

Why do we need to find renewable sources of energy?

• Because fossil fuel is cheap

• Because fossil fuel is available

• Because fossil fuel will replenish

• Because fossil fuel can be reproduced

Tags

NGSS.HS-ESS3-4

NGSS.HS-ESS3-5

Which of following is NOT source of alternative energy?

• Water

• Wind

• Fuel

• Solar

Which of following object use solar energy?

• Parachute

• Sail boat

• Calculator

• Irrigation

Which of following alternative energy can be applied in big city?

• Solar energy

• Water energy

• Wind energy

• Nuclear energy

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-2

NGSS.HS-ETS1-3

Which of the following is the advantage produce by solar energy only?

• Free source

• Available almost everywhere

• Not harm living things

• Can be replenish

What is the disadvantage of solar energy?

• It is noise

• It works in sunny day only

• It harms living things

• It can be built in remote are only

What is the advantage belong to wind energy only?

• It is free source of energy

• No pollution

• It works most of the time

• It is renewable energy

What is the disadvantage of wind energy?

• It is depend on season

• It produces noise

• Location can not be used for other activity

• Expensive maintenance cost

What is the advantage belong to water energy only?

• It can be use as irrigation

• It produce no pollution

• It is free source

• It can be replenished

What is the disadvantage of water energy only?

• It produces a lot of noise

• Need expensive equipment

• It kills birds

• It depends on rain