FORCES
We use force to move objects or change shape.
We can pull, push and squeeze an object.
We have touch the object to move it.
SQUEEZE
MAGNETS
A magnet uses force to move some metal objects without touching the objects.
Magnets have two parts called Poles; a positive pole and a negative pole. Also a South pole and a North pole.
Similar poles (two North poles or two South poles) repel.
Opposite/different poles (a North pole and a South pole) attract.
SOME OBJECTS THAT CAN BE PUSHED BY A MAGNET
Nails
Keys
Pins
Clips
No hay comentarios:
Publicar un comentario