Science Electricity and Magnetism

Electricity is when the __________________ of an atom moves from one place to another.

• Electrons

• Protons

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A good example of a conductor is what?

• glass

• copper

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What is it called when the flow of electrons are limited?

• Adhesion

• Resistance

What is used to change mechanical energy into electrical energy?

• generator

• transformer

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Which is not an example of mechanical energy used in power plants?

• water

• gravity

What can you coil and make a solenoid have an even stronger field?

• iron

• paper

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What kind of electricity is used to power a television?

• alternating current

• static electicity

What would happen if you disconnect a circuit from the power source?

• The circuit would still be complete.

• Electrons would stop flowing and the current would too.

The cathode, or the positive electrode, is metal such as magnesium dioxide does what with electrons?

• releases

• collects

The pasty material conducting electricity is called what?

• oxidation

• electrolyte

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