review of fourth grade starting with electricity
TRANSCRIPT
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Review of Fourth GradeSTARTING WITH ELECTRICITY
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Electricity & Materials
What are negative charges called?
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Electricity & Materials
Electrons
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Electricity & Materials
A continuous flow of negative charges is otherwise known as
what?
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Electricity & Materials
Electricity
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Electricity & Materials
What are the TWO units that are used
to measure electricity?
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Electricity & Materials
Voltage and Amperes
(Volts and Amps)
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Electricity & Materials
What is the voltage of a common DRY CELL
battery?
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Electricity & Materials
1.5 VOLTS
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Electricity & Materials
What is a DRY CELL?
Describe it.
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Electricity & Materials
A dry cell is a type of battery that contains
chemicals in the form of a paste.
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Electricity & Materials
What is a WET CELL?
Describe it.
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Electricity & Materials
A wet cell is a battery that contains
chemicals in the form of a liquid.
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Electricity & Materials
What is a CONDUCTOR
?
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Electricity & Materials
A conductor is a type of material that EASILY allows electricity to
flow through it.(Usually a METAL)
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Electricity & Materials
What is an INSULATOR?
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Electricity & Materials
An insulator is a material that DOES NOT
ALLOW electricity to flow through it.
(usually a plastic or rubber)
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Electricity & Materials
The path taken by an electric current is known
as what?
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Electricity & Materials
A Circuit
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Electricity & Materials
What three things must a circuit have
to work?
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Electricity & Materials
1. An energy source (battery)
2. Wire so the current can move.
3. Something to use the electricity. (Light Bulb)
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Electricity & Materials
What is a
closed circuit?
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Electricity & Materials
A circuit that can work. (It allows the
movement of electricity)
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Electricity & Materials
What is an open circuit?
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Electricity & Materials
It is a circuit that is “broken” or not complete, so the electricity cannot
travel completely through.
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Electricity & Materials
What is a
SERIES circuit?
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Electricity & Materials
It is a circuit where the
electricity only has one path
to follow.
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Electricity & Materials
What is a parallel circuit?
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Electricity & Materials
A type of circuit where the electricity has more than one
path to follow.
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Electricity & Materials
In a magnet, where is the magnetic force the greatest?
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Electricity & Materials
Around the poles
(top and bottom)