Mysterious Forces: Gravity, Magnetism, and Electric Charge (#2)

An object with a positive electric charge will be attracted to ______.

• another object with a positive electric charge

• an object with a negative electric charge

• an object with no electric charge

• any object no matter what its electric charge

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What is one way static electric charge can build up?

• through rain

• through cable wires

• through cell phones

• through friction

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Chamber P is filled with air while chamber Q has no air in it. If a leaf and a brick are dropped from the top of each chamber at the same time, where will they hit the ground at the same time?

• in chamber P only

• in chamber Q only

• in both chambers

• in neither chamber

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Which of the following is an example of kinetic energy?

• A book on a shelf

• A moving car

• A compressed spring

• A charged battery

If you rub a balloon on your hair and it sticks to a wall, what type of charge is likely on the balloon?

• Positive

• Negative

• Neutral

• Alternating

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Which of the following is an example of potential, or stored, energy?

• A rolling ball

• A stretched rubber band

• A flowing river

• A burning candle

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A ballon pulls toward your chest and sticks. Is the ballon oppositely charged from your chest or the same charge?

• Oppositely Charged

• Same Charge

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Which forces (there are 2) are capable of making on object levitate here on Earth?

• Gravity

• Static Electricity

• Air Resistence

• Magnetism

What force brings the pencil down?

• Applied
• Magnetic
• Normal
• Gravitational

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Kinetic energy is

• energy in motion
• stored energy

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