What is the process of getting electrons to move through a wire by changing the magnetic field.
100
What is generator do?
A generator turns mechanical energy into electrical energy.
100
What is the definition of watt?
What is the unit of measure of power.
100
what is the definition of auroras?
What is Different Colors of light in the sky caused by molecules returning to a natural state and giving off their extra energy.
200
1. It has an iron and nickel core.
2. Earth rotates
What causes Earth's magnetic field?
200
How can a magnet be used to produce an electrical current?
What is by moving a magnet in and out of a coil of wire.
200
What does an electric motor do?
What is An electric motor uses an electromagnet to change electrical energy into mechanical energy.
200
What are 4 ways to conserve electricity?
What is
1. Turn off any lights when they don't need to be in use.
2. During the day, open drapes instead of turning on the lights.
3. Turn of any electronics when they are not in use.
4. Close doors and window when heating a room.
200
What is the definition of kilowatts?
What is A measurement equal to 1,000 watts.
300
What is by taking a magnetic substance and stroking it against a permanent magnet.
A temporary magnet is made this way?
300
What are some examples of electromagnets from the book.
What is
a. big cranes
b. computers
c. telephones
d. doorbells
etc.
300
Fill in the blank:
A __________ reverses current for a DC motor.
What is A commutator reverses current for a DC motor.
300
What is the definition of electric power.
What is The amount of electrical energy used during a certain amount of time.
300
What is the definition of Penstock?
What is A large tube that carries water to the turbines.
400
1. Iron
2. Cobalt
3. Nickle
What are three materials that stick to a magnet?
400
The three parts of electromagnet.
What is the power source, iron, nickel core, and conductor.
400
What are four main parts of an AC motor?
A.
B.
C.
D.
What is
a. the rotating wire coil or armature.
b. an alternating electric power source.
c. brushes that transfer the electric current to the armature
d. permanent magnets that use the electric current to cause the armature to turn.
400
What is geothermal energy?
What is Energy from within the earth.
400
What is the definition of Magnetic Domains.
What is A tiny magnetic regions in magnetic material that must be aligned in order for the material to be magnetic.
500
What are the answers:
a: repel
b: repel
c: attract
d: attract
Describe what happens to magnets in these situations:
a: North Pole to North Pole
b: South to South Pole
c: South to North Pole
d: North to South Pole
500
How are electricity and magnetism related?
What is They both can generate an electric current.
500
What business might need a generator. list2:
a.
b.
a. Airport
b. etc.
500
What are four processes of wind powered energy?
What is
1. The wind turns the blades of the turbine.
2. The rotor attaches to the shaft turns.
3. As the shaft turns it causes the gears in the box to turn.
4. The gears cause the generator to turn, producing electricity.
500
What are the 6 reusable energy's?
What is
a. Geothermal
b. Solar
c. Wind
d. Tidal
e. Biomass
f. Hydroelectricity