P2.1.1 - Charging up Flashcards
What is the charge of an electron?
Negative (-)
Describe what happens to charges when you rub a balloon on your jumper.
Negative charges are transferred from your jumper to the balloon.
This leaves your jumper with a positive charge and the balloon with a negative charge.
Your jumper and the balloon will attract each other.
What is the charge of a neutron?
neutral (no charge)
Charged particles such as electrons have an invisible ‘field’ around them called an…
electric field.
A negative charge will ______ a negative charge.
repel
A positive charge will ______ a negative charge.
attract
Electrons can move freely through materials such as metals. We call materials like this…
Conductors
Identify the missing label.
A positive charge will ______ a positive charge.
repel
What does the diagram show?
The structure of a single atom.
Identify the missing label.
Electrons are trapped (cannot move) through materials like rubber. We call materials that do this…
insulators.
A negative charge will ______ a positive charge.
attract
Everything is made from particles called…
atoms
What is the overal charge of an atom?
Why?
Neutral
because they have the same number of protons and electrons so their charges cancel each other out.
Identify the missing label.
