Sparks - Unit 1 - Revision | Baamboozle - Baamboozle

What happens on molecular level when you rub amber with a cloth?

Electrons gain energy, they move towards other material and can attract material with opposite charge.

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What's an ion?

It's an atom with more protons than electrons / more electrons than protons

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thief

Give points!

fairy

Take points!

rocket

Go to first place!

Okay!

banana

Go to last place!

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When was electricity first observed?

In ancient times (amber experiment)

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If there is a difference of potential between two bodies, a flow of charges is produced by the body with a higher potential.

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thief

Give points!

magnet

Take 25 points!

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shark

Other team loses 25 points!

Okay!

thief

Give points!

baam

Lose 20 points!

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gift

Win 5 points!

Okay!

gift

Win 15 points!

Okay!

lifesaver

Give 10 points!

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What is resistance?

It's the opposition towards the passage of electricity.

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What does A stand for?

Ampere

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Mention some details about subatomic particles.

Neutrons have no electric charge; protons have positive c.; electrons have negative c.; neutrons are lighter than other particles.

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Mention some disadvantages of electricity.

Its production pollutes, it's difficult to store

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How is resistance in plastic?

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What does Ω stand for?

Ohm (Measurement unit of resistance)

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What's power?

It's the rate of flow of electrons.

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What's the difference between static electricity and current electricity?

Static electricity is created by a charge imbalance in multiple directions; current electricity moves in one direction through a conductor

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What's a static discharge?

It's the movement of electrons that restores the charge balance between two bodies.

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