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Electricity and Magnetism
Review
24
Science
6th Grade
02/15/2009

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Cards

Term
What is the SI unit for current?
Definition
Ampere
Term
What type of circuit has only one path for current to flow?
Definition
Series Circuit
Term
What type of circuit has at least two paths for current to flow?
Definition
A Parellel Circuit
Term
Current must have a _______ path to flow.
Definition
closed
Term
This states the relationship of voltage, current, and resistance.V=IR.
Definition
Ohm's Law
Term
This type of material blocks the flow of electrons.
Definition
Insulator
Term
This type of material allows electrons to flow easily.
Definition
Conductor
Term
How do like electrical charges react to one another?
Definition
They repel one another.
Term
Unlike electrical charges ______ one another.
Definition
Attract
Term
All magnets have two types of poles. Name them.
Definition
North and South
Term
What happens when a conductor moves through a magnetic field?
Definition
An electric current is induced into the conductor.
Term
An iron core wound with a copper conductor is an example of what?
Definition
An electromagnet
Term
How does distance affect the reaction between electric charges?
Definition
The reaction becomes weaker as distance increases.
Term
This provides a path for electricity to reach Earth.
Definition
Grounding
Term
Name the charge of a proton, an electron, and a neutron.
Definition

Proton - positive

Electron - negative

Neutron - neutral / no charge

Term
An imbalance of electrons(too many) is what type of charge?
Definition
Static charge
Term
The spark seen and felt when electrons move rapidly from one place to another.
Definition
Static discharge
Term
What slows the flow of electrons in a circuit?
Definition
Resistance
Term
This is when somtething is charged by directly touching a conductor.
Definition
Charging by contact
Term
Static discharge is a form of charging by...
Definition
Induction
Term
Most houses are wired using what type of circuits?
Definition
Parallel circuits
Term
Electrons flow from ______ to ______ in a closed circuit.
Definition
Positive to negative
Term
A generator converts _______ energy into ______ energy.
Definition
Mechanical into electrical
Term
Electricity and ______ are closely related to one another.
Definition
Magnetism
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