Electric energy- Yasmiin M

What best describes electrical energy?

• The flow of charged particles through a conductor and can be categorized as kinetic energy

• 
  The energy stored within the matter itself and can be classified as a form of potential energy

• 
  The energy of motion and can be categorized as kinetic energy

• The energy from reactions in chemical compounds and can be categorized as potential energy

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NGSS.MS-PS3-5

What is the unit of measurement for electrical energy?

• joules

• Volts

• Amps

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What is the flow of electric charge through a conductor called?

• Voltage

• Current

• Power

What material is a god conductor of electricity?

• Wood

• Cooper

• Plastic

What does a transformer do in an electrical circuit?

• Generates electricity

• Stores electrical energy

• Changes voltage levels

Which of these is an example of renewable energy source used to generate electricity?

• Natural gas

• Coal

• Wind

• Oil

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Which is the main function of a circuit breaker in a household electrical system?

• Generate electricity

• Interrupt the flow of current in case of overload

• Control voltage

• Store electrical energy

What is the resistance of a superconductor?

• Very high

• Constant

• Zero

• Variable