Question 1

What does a simple electric motor do?

Accepted Answer

Changes electricity to Mechanical energy

Answer

Converts  Potential  Energy to chemical energy

Answer

Changes Mechanical energy to electrical energy

Question 2

Where can Electric motors get their source of electricity?

Accepted Answer

the electromagnet is connected to a battery or other source of electric current

Answer

from a gasoline motor

Answer

from the wires coming from the wall of a house

Question 3

Which best describes a Turbine?

Accepted Answer

Huge wheels that rotate when pushed by water, wind, or steam

Answer

a Large wheel that rotates when pushed by electricity or gas

Answer

the motor that is turned by the power made at a electric plant

Question 4

What are the sources of energy that can turn  the wheel on a Turbine?

Accepted Answer

Wind, Water and Steam

Answer

Wind, and water

Answer

Small Gas Motor, a rubber band, a person

Question 5

Which best describes a Generator?

Accepted Answer

A Generator contains coils of wire that are stationary, magnets that are rotated by turbines, mechanical energy is changed to electrical energy, can be found in small versions that are ran by a gasoline motor

Answer

A Generator contains magnets that are rotated by turbines, mechanical energy is changed to chemical energy, can be found in small versions that are ran by a gasoline motor

Answer

A Generator contains coils of wire that are stationary, magnets that are rotated by turbines, mechanical energy is changed to electrical energy,

Question 6

Where is the energy for our houses obtained from?

Accepted Answer

Power plants produce electric energy for our homes

Answer

Energy comes form the wires on the poles outside our homes

Answer

We get electricity form the local company that uses batteries to send us energy to our homes

Question 7

What is an Electromagnet?

Accepted Answer

When a wire in an electric circuit is wrapped around an iron core producing a magnetic field.

Answer

when a generator is used to make electricity using wire

Answer

A battery , a nail and wire.

Question 8

Which of the following is the best way that  you can stop an Electromagnet from working?

Accepted Answer

when the circuit is broken an electromagnet loses its magnetism when the electric current stops flowing

Answer

when a generator is used to make electricity using wire

Answer

when you increase the amount of electricity and magnetism the electric current stops flowing.

Question 9

Which best describes Magnetism?

Accepted Answer

Is the force of attraction or repulsion of magnetic materials. a magnet has a magnetic field that applies a force, a push or pull, without actually touching an object

Answer

a magnetic field that applies a force, a push or pull, without actually touching an object

Answer

electric current flowing through a wire wrapped around an iron core forms a magnet.

Question 10

What are the two ways an Electric current can flow?

Accepted Answer

1. a coil of wire spinning around a magnet   2.  a magnet spinning around a coil of wire.

Answer

1.  a coil of wire attached to a battery
	2.   a magnet spinning around a coil of wire

Answer

1. a coil of wire spinning around 2. a magnet attached to a Battery

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