Renewable Energy
What is solar energy?
Converting sunlight into electrical energy to power homes
A resource that can run out and takes millions of years to make.
How is an electric car better for the environment?
It does not emit fossil fuels or pollute the air.
Fossil Fuels are formed in this place
What is underground/ deep underground?
What energy transformation occurs when using solar panels?
Radiant energy to electrical energy
What is wind energy?
An energy that consists of very loud turbines and uses the force of wind
Name 3 fossil fuels.
oil, coal, and natural gas
When fossil fuels are released into the environment, it causes....
water pollution, air pollution, loss of wildlife, and habitat loss
True or False: Trees are a renewable resource.
True
What energy transformation occurs when using wind turbines?
mechanical energy to electrical energy
What is hydroelectric energy/power?
Energy that is powered by water turning turbines connected to a generator
What are fossil fuels and where do they come from?
oil, coal, natural gas
they come from beneath the Earth's surface
What is recycling? Give 2 examples of recycling.
Taking thrown away materials to change them into reusable materials
What is the most used energy source in the United States?
Nonrenewable energy
Give an example of mechanical energy to electrical energy?
wind turbines, water wheels
Give 3 examples of renewable energy
Sunlight, water, wind, trees/wood, soil, etc.
why are fossil fuels considered a nonrenewable resource?
because they take millions of years to form
Why is it important to decrease our use of nonrenewable resources?
To protect the environment, and ensure that we don't run out of them.
What energy source do solar sunflowers use and how are they different than regular solar panels?
Radiant energy/the sun
They follow the sun as it moves in the sky
What energy transformation takes place when using a water wheel?
mechanical energy to electrical energy
Describe renewable energy.
Renewable energy does not run out and can be produced quickly.
List 2 other nonrenewable energy sources that are NOT fossil fuels.
metals, rubber, plastics
How can you reduce your home electricity bill?
take shorter showers, turn lights off when you leave a room, check your thermostat
How do we use the ocean as an energy source? List all 3 ways.
ocean currents, ocean waves, and ocean tides
What improvements have they made to wind turbines to help them produce more electrical energy?
taller towers, longer and lighter blades