Lesson 1 - Electricity Flashcards
1
Q
What is an atom
A
Atoms are the building blocks of matter. They are made up of subatomic particles.
2
Q
What charge does an electron have
A
Negative
3
Q
What charge does a neutron have
A
neutral
4
Q
What charge does a proton have
A
Positive
5
Q
What is the symbol for electrical charge
A
Q or q for tiny chages
6
Q
what is the unit for electrical charge
A
A coulomb
7
Q
When will an area gain a negative charge
A
- there are more electrons than protons
8
Q
when will an area gain a positive charge
A
- there are more protons than electrons
9
Q
how is static electricity caused
A
When there is a build up of charge on a surface. This charge will not move untill able to
10
Q
What are the three types of Static electricity
A
- Attraction (opposite charges)
-Repulsion (matching charges) - Electrical discharge (sparks/lightning)