Science Chapter 10

Static electricity is...

What device measures electric charge?

• Coulombmeter

• Ammeter

• Voltmeter

• Chargometer

Explain how there is static electricity when rubbing polythene and wool together. Which gains what charge?

Explain how there is static electricity when rubbing acrylic and cotton together. Which gains what charge?

Explain why when rubbing two materials together, one material gains electrons.

Explain why only one material rubs off electrons when rubbing two materials together.

Tags

NGSS.MS-PS2-5

What two things are needed for an electric current?

• A complete circuit of metal around which the current can flow

• A resistor so that the circuit does not get shorted

• A battery that makes the current flow.

• A device that measures the current flow to make sure nothing goes wrong

Which device measures how big a current is?

• Ammeter

• Coulombmeter

• Voltmeter

• Currentmeter

What unit does an ammeter measure in?

• Amps

• Coulombs

• Volts

• Ammets

When connecting an ammeter, you must connect it...

• In series

• Paralell