Gravitational Force
A force that pulls objects down towards the Earth
Gravity
A force that attracts or repels.
Magnetic Force
Rubbing a balloon on your hair can cause this to happen...
static electricity
An example of a pushing force...
pushing someone on a swing
If two magnets meet south pole to south pole, they will...
repel
Responsible for the downward motion of objects.
Gravity
These are the two ends of a magnet...
North and South poles
Static electricity is caused by the buildup of...
electric charges
Examples of a pulling force...
playing tug or war or lifting a bag or pulling a drawer
If you drop a feather and a rock in controlled vacuumed space, the _____will hit the ground first...
They will hit the ground at the same time without air resistance.
Who formulated the theory of gravity and how it affects objects?
Sir Isaac Newton
This is what happens when two magnets with the same poles are placed near each other.
They repel.
The force between charged objects that can attract or repel...
electrostatic force
A contact force that opposes motion between two surfaces and causes objects to slow down.
Friction
Explain how a compass uses magnetism...
It uses Earth's magnetic field to point north.
When Sir Isaac Newton sat under a tree...
An apple fell on his head.
Metals that are magnetic...
iron, nickel and cobalt
Name a common occurrence of static electricity during the winter...
static shock
Electrostatic Force
You can make a paperclip magnetic...
by rubbing a magnet on it in one direction aligning the electrons.
Gravity is much weaker on the ________ and stronger on Earth. This means we can jump higher on the moon.
moon
This is what happens when two magnets with opposite poles are placed near each other.
They attract.
Lightning is a form of static electricity....
Lighting is a result of electrostatic forces in the atmosphere.
Bank Cards use which force?
Magnetism
The further away you move a magnet from the magnetic object it gets weaker and the closer you move it to the object the stronger it gets. True or False
True