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What type of electricity occurs when positive and negative charges no longer balance? HINT! HINT! HINT! You might get a ZAP!
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Time for a little review….
Let’s start with vocabulary!
What type of electricity occurs when positive and negative charges no longer balance?
HINT! HINT! HINT!You might get a ZAP!
STATIC ELECTRICITY
An electric charge in motion is called an …..?
HINT! HINT! HINT!Think of the water in a stream.
ELECTRIC CURRENT
In what kind of circuit can an electric charge flow only in ONE path?
In what kind of circuit can an electric charge flow in TWO or MORE paths?
SERIES CIRCUIT
PARALLEL CIRCUIT
A force that acts on moving electric charge and magnetic materials that are near a magnet is called….?
HINT! HINT! HINT!This is when you find a
magnetic field!
MAGNETISM
A coil of wire with many loops through which an electric current passes is called an ….?
HINT! HINT! HINT!Just combine our two key
words!
ELECTRO-MAGNET
What else do we know about
electricity and magnetism?
Let’s find out!
A ________ has a positive charge.
An _______ has a negative charge.
A ________ has no charge.
PROTON
ELECTRON
NEUTRON
Opposite charges …..?
Like charges …..?
HINT! HINT! HINT!Proton + ElectronProton + Proton
Electron + Electron
Opposites attract!
Like chargesrepel!
Magnets have two poles. What are they called?
HINT! HINT! HINT!Think directions.
Where is the attraction on a magnet the strongest?
NORTH AND SOUTH
THE POLES!
What are the ONLY three materials that are magnetic?
HINT! HINT! HINT!Think Bill Nye and metals.
IRONNICKELCOBALT
A material or object that allows electricity to flow through it is called….?
Examples of these are….
CONDUCTORSCopperWaterIron
A material or object which blocks the flow of electricity is called….?
Examples of these are….
INSULATORSWoodGlass
Rubber
REMEMBER!Just because a
material is a conductor DOES
NOT mean that it is magnetic!
AND NOW…
VocabularyI
Vocabulary II
Conductor or
Insulator?
CHARGE! Name That Circuit!
200 200 200 200 200
400 400 400 400 400
600 600 600 600 600
800 800 800 800 800
1000 1000 1000 1000 1000
Miss K. is putting up her Christmas lights. She notices that one of the lights in the strand is out. However, the
rest of the bulbs stay lit. What kind of a circuit are
these lights?