A process that occurs when an electric current is generated by a changing magnetic field isa(n) _____.

	electromagnetic deduction
	magnetic induction
	electromagnetic induction
	electromagnetic oscillation

2)Select the best answer. A device that transforms mechanical energy into electrical energy with the help of electromagnetic induction is a(n) _____.

	magnet
	turbine
	motor
	generator

3)Type the answer in the box below. Using what you learned in Lesson 5, how is a generator different from a motor?

4)Selectall that apply. With electromagnetic induction, what are THREE things that can be done to increase theelectric current?

	Increase the speed at which the magnet moves.
	Add more turns to the coiled wires.
	Use a stronger magnet.
	Use a bigger magnet.
	Reduce the turns to the coiled wires.

5)Select the best answer. How does a generator transform mechanical energy into electrical energy?

	A generator transforms mechanical energy into electrical energy with the help of magnetic fields.
	A generator transforms mechanical energy into electrical energy with the help of electromagnetic induction.
	A generator transforms mechanical energy into electrical energy with the help of static electricity.
	A generator transforms mechanical energy into electrical energy with the help of Hubble's Law.

6) How does the following generator work at power plants?

coal: converts mechanical energy of _____into electricity.

	wind
	the sun
	steam
	water

7)How does the following generator work at power plants?

wind: converts mechanical energy of _____into electricity.

	wind
	water
	steam
	the sun

8)How does the following generator work at power plants?

hydroelectric (water dams): converts mechanical energy of _____into electricity.

	water
	wind
	steam
	the sun

9)How does the following generator work at power plants?

solar: converts mechanical energy of _____intoelectricity.

	water
	wind
	the sun

10) Put a checkmark next to the description if it is AC or DC.

Correct	Choices	AC	DC
	can travel long distances
	invented by Nikola Tesla
	used in batteries
	an electric current that flows in a single direction
	an electric current that reverses direction in a regular pattern
	invented by Thomas Edison
	used in flashlights
	used in homes