STARTING WITH ELECTRICITY

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Presentation transcript:

STARTING WITH ELECTRICITY Review of Fourth Grade STARTING WITH ELECTRICITY

Electricity & Materials What are negative charges called?

Electricity & Materials Electrons

Electricity & Materials A continuous flow of negative charges is otherwise known as what?

Electricity & Materials

Electricity & Materials What are the TWO units that are used to measure electricity?

Electricity & Materials Voltage and Amperes (Volts and Amps)

Electricity & Materials What is the voltage of a common DRY CELL battery?

Electricity & Materials 1.5 VOLTS

Electricity & Materials What is a DRY CELL? Describe it.

Electricity & Materials A dry cell is a type of battery that contains chemicals in the form of a paste.

Electricity & Materials What is a WET CELL? Describe it.

Electricity & Materials A wet cell is a battery that contains chemicals in the form of a liquid.

Electricity & Materials What is a CONDUCTOR?

Electricity & Materials A conductor is a type of material that EASILY allows electricity to flow through it. (Usually a METAL)

Electricity & Materials What is an INSULATOR?

Electricity & Materials An insulator is a material that DOES NOT ALLOW electricity to flow through it. (usually a plastic or rubber)

Electricity & Materials The path taken by an electric current is known as what?

Electricity & Materials A Circuit

Electricity & Materials What three things must a circuit have to work?

Electricity & Materials An energy source (battery) 2. Wire so the current can move. 3. Something to use the electricity. (Light Bulb)

Electricity & Materials What is a closed circuit?

Electricity & Materials A circuit that can work. (It allows the movement of electricity)

Electricity & Materials What is an open circuit?

Electricity & Materials It is a circuit that is “broken” or not complete, so the electricity cannot travel completely through.

Electricity & Materials What is a SERIES circuit?

Electricity & Materials It is a circuit where the electricity only has one path to follow.

Electricity & Materials What is a parallel circuit?

Electricity & Materials A type of circuit where the electricity has more than one path to follow.

Electricity & Materials In a magnet, where is the magnetic force the greatest?

Electricity & Materials Around the poles (top and bottom)