1. Static Electricity Flashcards
1
Q
What is static electricity (1)
A
When charges on a object gets separated
2
Q
When would static electricity repel, or attract (2)
A
If 2 objects have different charges = attract
If 2 objects have the same charges = repel
3
Q
What is lightning (1)
A
Static electrical charge build up in clouds
4
Q
How does lightning form (2)
A
- the negative charge in clouds is a result of friction between air + water particles in the cloud
- when the potential energy is large enough it discharges to the the positive earth
5
Q
What is thunder (1)
A
The result of sudden heating and expanding of air
6
Q
How do you change an object’s charge (1)
A
In some object’s, electical charge is rubbed off against different materials
7
Q
How are some materials magnetized (1)
A
By electic current or magnets.
