Cat 1
Fossil Fuels such as oil, coal, and natural gas are formed...where?
deep underground
Most of the energy used in the US comes from.....
nonrenewable resources
From what natural resource are fossil fuels created?
Hydroelectric power produces energy using....
moving water
Which type of energy source would decrease in power during a drought?
- Hydroelectric Dam
- Solar Panels
- Wind turbine
Hydroelectric Dam
Fossil fuels are considered nonrenewable because they
because they take million of years to form
What are the harmful consequences of energy use in the environment? List 4 things
air pollution
water pollution
habitat loss
loss of wildlife
Why is it necessary for people to find and use new forms of energy?
coal, oil, and natural gases are not renewable resources
What will take the longest to occur?
a. growing a new tree after a fire
b. forming new fossil fuels
c. converting wind into electricity
d. collecting sunlight in solar panels
b. forming new fossil fuels
What challenges might engineers face when designing ways to harness hydroelectric energy?
- turbine will be noisy
- animal population
- existing infrastructure (dams)
What are some ways to reduce a home electric bill? Select all that apply?
a. use cloth napkins instead of paper napkins
b. take longer showers instead of baths
c. leave lights on in a bright, sunny room
d. dry clothes on an outside clothesline
e. unplug appliances when they are not in use
d. dry clothes on an outside clothesline
e. unplug appliances when they are not in use
How does the technology in the wind turbine transform energy?
thermal to mechanical energy
mechanical to electrical energy
electrical to radiant energy
radiant to mechanical energy
mechanical to electrical energy
Solar panels transform energy from
thermal to electrical energy
radiant to electrical energy
electrical to radiant energy
radiant to thermal energy
radiant to electrical energy
What fossil fuel is in majority of the items we have and use?
petroleum
It can be replaced naturally and be used again and again
it can be replaced naturally and can be used over and over again
List the three main nonrenewable resources that we talked about in this unit
solar, water, and wind energy
Why is wind energy a renewable resource?
it can be replaced naturally and can be used over and over again
- air pollution
- habitat loss
- animal loss
- takes millions and millions of years to replace