What are the two poles of a magnet?
North and South
Refrigerator doors have __________ in them to make sure they are closed tightly.
Magnets
A force that makes an object move towards the person putting the force is________________.
Pull force
When the South Pole of a magnet is placed close to the South Pole of another magnet, they will ________ each other.
Repel
When a force acts on an object it can change its ____________.
Motion
If a metal nail is placed close to a magnet, the magnet will _________ the nail.
Attract
Magnets are used around the ______ of refrigerators.
Doors
Cobalt, nickel and iron are _____________ metals.
Magnetic
__________________ are forces that happen from electric charges.
electrostatic forces
__________________ are forces that can happen without the objects touching.
non-contact forces
When two North Poles are near, they will ________ each other.
repel
A force that makes an object move away from the person putting the force is_______________.
Push force
_________________ are forces that need objects to touch for the force to work.
Contact forces
Materials that are attached to magnets are called ____________ materials.
Magnetic
When opposite poles are near each other, they will _________ each other.
Attract
__________________________ happens when the Earth pulls all objects around it to itself.
Gravitational forces of Earth
Materials that are not attracted to magnets are called _____________ materials.
Non-magnetic
The tip of a screwdriver is ______________, so small screws will stick to it.
Magnetic
________ are used in mobile phones to make them work well.
Magnets
The unit of force is ____________________.
Newtons