Electricity, Magnetism and Electromagnets

When two magnets repel each other which poles are facing each other?

• North and South
• South and North
• North and North
• Positive and Negative

When is an object negatively charged?

• When it gains electrons
• When it gains protons
• When it loses electrons
• When it has more neutrons

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What happens to the magnetic force as an object gets further away from the magnetic field?

• The force increases
• The force decreases
• The force stays the same
• There was no force to begin with

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What is a conductor?

• A material that stops electric current from flowing
• A material that allows electric current to flow easily

What is an insulator?

• A material that DOES NOT allow electric current to flow
• A material that DOES allow electric current to flow

What is static electricity?

• The buildup of neutrons
• Electricity flowing through a current
• Particles staying still
• The buildup of electric charges on an object

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What is current electricity?

• Current electricity involves a continuous flow of neutrons
• Current electricity involves a continuous flow of protons
• Current electricity is a single transfer of electrons
• Current electricity is a steady flow of electrons

What is magnetism?

• An invisible force produced by certain metals
• A visible force produced by certain metals
• An invisible force produced by all metals
• A visible force produced by mixtures of metals

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What particles of an atom are attracted to each other? 

• Protons and Electrons
• Electrons and Electrons
• Protons and Protons
• Electrons and Neutrons

How is electricity a force?

• It is not a force
• Electrons are pushed through a circuit
• Protons are pushed through a circuit
• Neutrons are pushed through a circuit

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