Electricity and Magnetism

What are like charges?

• Negative /positive charge

• positive/negative charge

• positive/positive and negative/negative charges

• positive/negative and negative positive charges

A material through which electrons do NOT flow easily is a(n) _____.

• Insulator

• Conductor

• fuse

• Circuit breaker

Electric charges always flow from _____ areas to _____ areas.

• positive, negative

• positive, neutral

• Negative, positive

• Neutral, Negative

Mr. Robinson and his class are conducting an experiment. The class needs to choose a good insulator. Which of the following could be used as an insulator?

• Plastic plate

• Silver spoon

• Cooper wire

• Gold necklace

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Positively charged particles in an atom

• Protons

• Neutrons

• Electrons

• Atom

Negatively charged particles in an atom

• Protons

• Neutrons

• Electrons

• Nucleus

Particles in the atom that have no charge

• Protons

• Electrons

• Neutrons

• Nucleus

How are magnets oriented when they attract each other?

• North pole to North pole

• South pole to south pole

• North pole to South pole

What does it mean when objects repel each other?

• Move closer to each other

• move further apart

• they explode

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What does it mean when objects attract each other?

• they explode

• move closer to each other

• pull away from each other

• do nothing

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