Electricity

Question 1

Name some important histroical events relating to electricity

Answer 1

1. Static electricity- ancient greeks 600BC (rubbing amber with silk)
2. 1600 term electricity first used
3. 1800- volta creates first battery (volta pile)
4. 1821 Faraday invents motors/ induction

Question 2

Name some applications of static electricity

Answer 2

1. pollution control in smoke stacks
2. spray painting
3. Air fresheners
4. photocopiers

In spray painting cars the car is given a charge and a fine mist is then sprayed and the chargeg paint particles stick to the car.

Question 3

When electricity gathers in one place it is known as ……………

Answer 3

static electricity (the word static means something that does not move)

Question 4

A positive charge has more …………… than ………..

Answer 4

protons than electrons or

positives than negatives

Question 5

A negative object has more …….. than ………..

Answer 5

electrons than protons

Question 6

what are the rules of static electricity

Answer 6

Question 7

name three ways you can charge an object?

Answer 7

1. friction (rubbing)
2. induction
3. contact

Question 8

Name a machine that makes static electricity

Answer 8

Van der Graaf Generator