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Electric Charges

Electric Charges

Assessment

Presentation

Physics

9th Grade

Hard

Created by

Joseph Anderson

FREE Resource

23 Slides • 7 Questions

1

Electricity

Topic 1 - Electric Charges

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2


  • What is a plug’s favourite chant at a sporting event?

  • What is an outlet’s favourite song?

  • What do you call a light bulb at midnight?

  • At what point will you love to change your bulbs the most?

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3

Video - Sent Monday

  • Did you watch the video that was sent out yesterday

  • You should have as it would have been relevant to this

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4

Multiple Choice

According to the video, when objects have similar charges they are....

1

attracted to each other

2

repulsed by each other

5

Multiple Choice

The imbalance of positive and negative charges in an atom or object describes...?

1

Neutral Electricity

2

Positive Electricity

3

Negative Electricity

4

Static Electricity

6

Multiple Choice

According to the video, when objects have different charges that objects are....

1

attracted to each other

2

repulsed by each other

7

Multiple Select

Check off all the statements that are correct

1

Positive charges repel each other.

2

Negative charges repel each other.

3

Opposite charges attract to each other.

4

Rubbing the balloon with wool or hair transfers protons.

5

Charged objects are caused by a transfer or giving of electrons.

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So what do we know for sure

So everyone is on the same page

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13

What may have we forgotten

So everyone is on the same page

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14

Insulators

  • For many materials a charge stays on the spot where you rub the object.

  • These materials do not allow charges to mvoe freely on or through them.

15

Conductors

  • Most of these are metals

  • These are materials that allow charges to more freely on or through them.

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17

Multiple Choice

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This is an example of a (an)

1

Insulator

2

Conductor

3

Spicy hot wings

4

Raspberry Blue Slush

18

Multiple Choice

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This is an example of a (an)

1

Insulator

2

Conductor

3

Spicy hot wings

4

Raspberry Blue Slush

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Superconductors

  • Are materials that offer little if any resistence to the flow of charges

  • They generally exist at extremely low temperatures. -137 to -237

  • They are usually made of metals alloys and ceramics

  • Found in generators, high voltage lines supercomputers.

  • Less space more conducton

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25

Multiple Choice

Can static electricity or electrostatic charge build up be dangerous

1

Yes

2

No

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30

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Electricity

Topic 1 - Electric Charges

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