Electricity Test Flashcards

1
Q

Why would a balloon rubbed over hair stick better to a wall compared to a balloon rubbed over a wooden table and then to the wall?

A

Because there is more STATIC electricity generated between the ballon and hair.

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2
Q

What would happen if two ballons if they had the same charge?

A

They will repel when placed together

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3
Q

Which one would attract small pieces of paper: Rubbing PVC pipe together with steel wool or Rubbing a PVC pipe together with a fabric softener?

A

Rubbing PVC pipe together with steel wool

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4
Q

What happens when static electricity is discharged?

A

Light is released and you will feel a shock

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5
Q

What happens if you add more batteries to a circuit containing light bulbs?

A

The bulb will become brighter

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6
Q

What do metal objects conduct?

A

They conduct electricity

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7
Q

What are non-metallic objects used for?

A

As insulators

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8
Q

If you try an experiment and reach a different result than a neighbor, what is the best way to find out who is right?

A

To retest

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9
Q

If you have a different theory than another student in how to reach a desired result, the best way to find out which theory will work is to?

A

Try them both and compare results

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10
Q

The act of coming together?

A

Attract

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11
Q

The act of pushing apart?

A

Repel

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12
Q

A small device that stores energy in a chemical form?

A

Battery

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13
Q

A material that allows electricity to go through it?

A

Conductor

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14
Q

A reference to the amount of devices which are in a circuit?

A

load

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15
Q

More devices in the circuit increase what?

A

The load

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16
Q

Three things are needed for a Complete Circuit. What are they?

A
  1. Pathway
  2. Power Source
  3. Load
17
Q

In a closed circuit a switch is added to a complete circuit to do what?

A

To control the flow of electricity

18
Q

What would happen with the electricity in an incomplete circuit if it is missing one of the parts to make a complete circuit?

A

electricity will not flow even if the switch is closed