What force keeps your feet on the ground?
Magnetism
Gravity
Which materials can magnets attract?
Steel and iron
Wood and plastic
Paper and glass
Which of these is a non-contact force?
Throwing a ball
Pulling a suitcase
Raining falling from the sky
Electrostatic force happens when…
Two things rub and create static electricity (electric charges exchange and there are more positive or negative charges in the objects).
What happens when two magnets with the same poles face each other?
They disappear
They repel
They attract
When you pull something, you…
Move it closer.
A magnet can attract wood.
False
True
Magnets attract which materials?
Some metals, like iron, steel or nickel.
You float in space because…
There is no gravity or very little gravity.
The more mass an object has, the less gravity it exerts.
True
False
Gravity pulls everything toward the Earth.
False
True
What are the two poles of a magnet?
North and South
Rubbing a balloon on your head creates...
electrostatic force.
Does everything have gravitational force?
Yes, it does
What happens when two magnets with the same poles face each other?
They repel
Thet attract each other
You need to touch something to use a magnetic force.
False
True
Which of these is a non-contact force?
Gravity
Pushing a pram
What is a contact force?
A force that works when things touch.
Gravity pulls everything toward the Earth.
False
True
Stretching a rubber band is an example of…
Pulling force
What kind of force is used to open a book?
Magnetic
Contact
Non-contact
When you drop a ball, which force pulls it down?
Gravity
What can change when you apply force to an object?
Its shape, speed or direction
What kind of force is used to push a chair?
Contact force
Can you see a force?
No, but you can see what it does
What happens when you press hard with a piece of chalk?
It breaks