Electric Charges

Electricity

Topic 1 - Electric Charges

• 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?

Video - Sent Monday

• Did you watch the video that was sent out yesterday

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

Multiple Choice

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

• attracted to each other

• repulsed by each other

Multiple Choice

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

• Neutral Electricity

• Positive Electricity

• Negative Electricity

• Static Electricity

Multiple Choice

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

• attracted to each other

• repulsed by each other

Multiple Select

Check off all the statements that are correct

• Positive charges repel each other.

• Negative charges repel each other.

• Opposite charges attract to each other.

• Rubbing the balloon with wool or hair transfers protons.

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

So what do we know for sure

So everyone is on the same page

What may have we forgotten

So everyone is on the same page

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.

Conductors

• Most of these are metals

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

Multiple Choice

This is an example of a (an)

• Insulator

• Conductor

• Spicy hot wings

• Raspberry Blue Slush

Multiple Choice

This is an example of a (an)

• Insulator

• Conductor

• Spicy hot wings

• Raspberry Blue Slush

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

Multiple Choice

Can static electricity or electrostatic charge build up be dangerous

• Yes

• No