Alternative Energies

​Alternative Energy Review

​For 9th grade Earth-Environ Science

​Wind Energy is when wind spinds a turbine which then powers a motor, producing energy.

​Wind Energy

​What is the only type of pollution wind turbines cause?

​ How do the turbines affect birds?

​Hydroelectric energy is one of the oldest and largest sources of alternative energy. Flowing water spins turbines which generate electricity

​Hydroelectric Energy

​What builds up on dams, causing water infiltration?

Extra Questions

Out of all the energy types listen in the slides, what is the most efficient?

How does a turbine work?

Which of these are the most common energy sources?

What are some advantages of Alternative energyy?

​Solar energy is energy from the sun. Collected through solar pannels. Renewable and expendable

​Solar Energy

​Can solar energy be used forever?

​Is solar energy cheap?

Energy drawn from the Earth's heat. Can be steam, water, or just pure heat. Not very efficient

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​Geothermal Energy

​ Is geothermal energy renewable? Clean?

Energy from the oceans currents and power. Currents power turbines, Similar to hydroelectric.

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​Tidal Energy

​T or F: Turbines are placed near shore

​T or F: Do turbines require specific location?

The splitting of an atom to produce a lot of energy from not a lot. Very common and cost effecient

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​Nuclear Energy

​What is a major risk of nuclear plants?

​Is the waste produced from plants safe?

Energy produced from burning/converting organic matter (plant and animal waste).

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​Biomass Energy

​Can Biomass plants take carbon out of the atmosphere?

​ Is biomass energy effecient? Renewable?