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Magnets have a north and a south ___________
What happens when two north poles of a magnet are placed together?
they repel (push away)
they attract (pull together)
they cancel each other out
the strength of the magnet is doubled
What do the lines around this magnet represent?
If the North Pole of a permanent magnet is placed next to a compass as seen in the picture, which direction will the needle move?
To the right (away from the magnet)
To the left (towards the magnet)
It will not move
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A temporary magnet stays magnetized for __________________.
A long time
A short time
Just as long as any other magnet
Not this one
A magnetic field is visible.
Earth is a giant magnet.
Iron is a metal which is attracted to magnets.
Combing your hair with a plastic comb produces static electricity.
When we talk about electricity, we can distinguish two types of materials:
Hard and soft.
Conductive and insulating.
Rigid and flexible.
The electrical conductor allow the electricity to pass through them.
Insulating materials are....
produces and electrical current.
Transport the electrical current.
Turn on/off the electrical current.
Which ones are conductive materials:
Examples of receptors are...