1. By Mrs. Estes’s 4th Grade Class 2009-2010
Electric Circuits
By Mrs. Estes’s 4th Grade Class

2. ________ are tiny particles that carry units of electricity.
Electric charges - + - + + - + + + - + - + - - - - + - + - + - - -
Positive Charges
Negative Charges
Same amount is Electrically Neutral

3. An electric charge that builds up on material.
Static Electricity

4. Something that electricity can run through easily.
Conductors

5. __________ turns chemical energy in electrical energy.
An electric cell

6. The pathway that an electric current follows
Electric Circuit

7. A material that electric charges do not flow through easily are ___________.
insulators

8. The force of a magnet is strongest at the _______.
poles

9. Objects with like electrical charges _______.
Repel

10. They will attract to each other.
A person places a magnet A on a table near magnet B. Explain what will happen to magnet B.
They will attract to each other.

11. + - + - - - - - - + - + - - - - + - - - + - - - - - - - - + - - + - +
Objects with unlike electrical charges _______.
Attract + - + - - - - - - + - + - - - - + - - - + - - - - - - - - + - - + - + - - - - -

12. An electric motor is a device that turns electrical energy into ____________
Energy of Motion

13. A ________must have a wire, battery (cell), and a bulb to work properly.
Circuit

14. battery, a switch, a light bulb, and a conductor.
A flashlight must have a ____, ____, ____, and ______ to work properly.
battery, a switch, a light bulb, and a conductor.

15. A ________has only 1 path for the current to flow.
Series Circuit

16. A ________ has more than 1 path for a current to flow.
Parallel Circuit

17. In a string of lights, if one bulb goes out why do all of the other bulbs not work?
All of the lights would go out because they are only on one path, which is a series circuit.

18. In a string of lights, if one bulb goes out why would all the other lights stay on?
All of the lights would stay on because they are on a parallel circuit.