Static Electricity

Why can you get a shock if you touch a metal doorknob after walking across a wool carpet?

• You have gained electrons; the doorknob has no electrons.
• You have gained neutrons; the doorknob has fewer electrons.
• You have lost electrons; the doorknob has many electrons.
• You have gained electrons; the doorknob has many electrons.

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Ms Jo Jo rubbed two balloons with a piece of wool. What will happen when the balloons are brought near each other?

• The balloons will repel each other.
• The balloons will attract each other.
• The balloons will become positively (+) charged.
• The balloons will pop.

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The difference between attract and repel is that to attract is to pull something closer and repel is to push something away.

• True
• False

When socks get stuck to towels in your dryer, this is an example of________________

• current electricity
• static electricity

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

What types of charges attract?

• Positive and Positive
• Positive and Neutral
• Negative and Neutral
• Positive and Negative

The accumulation of excess electric charge on an object is called

• Static electricity 
• Electric discharge
• Resistance
• Circuit 

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Electric charges that are alike _______ each other.

• Attract
• Repel

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Electric charges that are different _______ each other.

• Attract
• Repel

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What charge does a proton have?

• negative (-)
• positive (+)
• neutral or no charge (0)

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