Electrical Force

A physical property of matter that moves through wires and causes static electricity.

• conservation of a charge

• a circuit

• electric charge

• positive and negative

A balloon has a negative charge.  The glass rod has a positive charge.  What will happen when the glass rod is brought near the balloon?

• The balloon will be attracted to the rod

• The balloon will be repelled by the rod

• The balloon will remain in place

• The balloon will spin in circles

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To demonstrate static electricity, a teacher takes an inflated balloon and rubs it against his hair.  The rubber balloon picks up electrons from his hair, which makes his hair have

• net negative charge

• magnetic force

• net positive charge

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Objects with like charges will...

• attract

• repel

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The quick movement of a charge from one object to another

• static electricity

• electrical circuit

• electric discharge

• force

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An object becomes charged when the atoms in the object gain or lose

• electrons

• protons

• neutrons

• all of the above

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What eventually happens to objects that are charged with static electricity?

• They destroy electrons forever

• They transfer electrons by a discharge

• They transfer neutrons to the air

• They create more protons to become neutral

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During conduction, objects with excess electrons transfer them by _____ to other objects.

• transfer

• jumping

• touching

• flying

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When a neutral plastic pipe and neutral wool are rubbed together, electrons on the wool are transferred to the plastic pipe, and the plastic pipe is charged ___________.

When an object gains electrons, what is its charge?

• Positive

• Negative

• Neutral

• No charge

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