A wind turbine costs $10 million to construct and generates $1 million worth of electricity per year. When has the wind turbine paid for itself (what is the pay-back period)? - 10 Years
What do you think "embedded" energy is? - The energy that goes into making something.
What is the biggest u...
EGEE Midterm Exam 1 Review
A wind turbine costs $10 million to construct and generates $1 million worth of
electricity per year. When has the wind turbine paid for itself (what is the pay-back
period)? - 10 Years
What do you think "embedded" energy is? - The energy that goes into making
something.
What is the biggest use of energy in a home? - heating and air conditioning
Kevin lives next to a power plant that burns coal. He wants to be more green, so he
buys an electric car that he can plug into his home electricity. What is powering
Kevin's car? - coal
If you have 200 lbs of coal in your shed and you burn 1 lb a day, how long will it
last? - 200 days
Where do you think coal comes from? - humic swamps millions of years ago
What did coal provide the developed world during the Industrial Revolution? - heat
and health problems
electricity and pollution
jobs and job related deaths
Match each of the basic types of energy with its definition. - The energy of moving
things
Kinetic Energy
, The energy an object has due to its position Potential Energy
The energy released when atomic nuclei split or fuse Nuclear
The energy of heat or temperature Thermal
Energy transmitted via electromagnetic waves Radiant
Energy stored in the bonds between atoms Chemical
The energy of flowing electrons Electrical
Which of the following are units of energy? Check all that qualify. - joule
BTU
kilowatt hour
Calorie
Which of the following are units of power? Check all that qualify. - watt
horsepower
Match the scenario with the conversion between energy forms involved. -
Electrical to Chemical
A cell phone is plugged in overnight and its battery is recharged.
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