Types of Energy
Transfer of Energy
Thermal Energy
Energy Sources
Vocabulary
100
Energy of Motion
What is mechanical Energy
100
Explain the transformation that takes place when you rub your hands together. (3 steps)
chemical to mechanical to thermal
100
What are the 3 ways thermal energy moves?
radiation, convection, conduction
100
Wind turbines convert _________________ energy into eletrical energy.
What is mechanical
100
An energy source that is replenished continually (not an example)
What is renewable resource
200
The type of Energy that travels in waves (2 answers)
radiant and sound
200
Explain the transformation that takes place when you turn on a flashlight. From the battery to the light. 4 steps
What is Chemical to electrical to radiant
200
Jesse is sitting with his back to a camp fire. His back slowly heats up. What kind of thermal energy causes this?
radiation
200
Fossil Fuels create what type of pollution?
what is greenhouse gasses
200
An energy source that is used up faster that is can be replaced. (not an example)
What is a nonrenewable resource
300
Type of energy that depends on the speed of molecules.
What is thermal or heat energy
300
Explain the transformation of a solar calculator
radiant to electrical to radiant
300
Sally is cooking rice for dinner. She puts the rice in before the water gets hot and the rice burns to the bottom of the pan. What causes this?
conduction
300
Wind energy, coal energy, nuclear energy, hydroelectric energy and solar energy all are used to make electricity. However, solar energy is different, what do all the other energy sources do that solar energy does not?
What is Turn a turbine that turns a generator to make electricity.
300
A device that transforms mechanical energy into electrical energy.
What is a turbine (generator)
400
Type of energy that depends on the flow of electrons
What is electrical energy
400
Explain the transformation of energy that occurs in a coal burning power plant. List the type of enrgy and where it comes from. 5 steps
What is Chemical to thermal to mechanical to electrical
400
Lael turns on the small heater in his office that sits on the floor. His office warms up. What causes this?
convection
400
Give one advantage and one disadvantage of hydroelectric energy
One advantage is it does not pollute. One disadvantage is that it disrupts aquatic wildlife.
400
State the Law of Conservation of Energy
What is Energy can not be created of destroyed it can only be transfered or tranformed.
500
Type of energy stored in batteries, food and gasoline
What is Chemical energy
500
Explain the transformation that takes place to make a toaster work using a wind turbine. Begin with the sun. (6 steps)
mechanical to electrical to thermal to radiant
500
A pot sits on a hot stove and the water inside the pot boils. What causes these two things. Which happens first?
Conduction happens first then convection
500
Give one advantage and one disadvantage of nuclear energy
One advantage is that is does not pollute the air. One disadvantage is that is makes radioactive waste.
500
Name Each type of energy and give an example.
Mechanical, sound, Light, Heat, Chemical, Nuclear, and electrical
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