Push or Pull
Closing a door is an example of this.
push
This word means “when something moves.”
Motion
This force slows or stops motion.
Friction
This force pulls things down, towards the center of the earth.
Gravity
Magnets attract some of these, like iron.
metals
Opening a drawer is an example of this.
pull
This word tells which way something moves.
direction
Which has more friction: rough or smooth surfaces?
Rough surfaces
Gravity pulls things in which direction?
down
What happens when the north pole of one magnet meets the south pole of another? Opposites
They attract
Lifting a backpack uses this kind of force.
pull
A rolling pencil hits a book and stops. What changed?
Its motion changed (it stopped)
Which surface will a marble roll farther on: sandpaper or tile?
Tile (smoother, less friction)
This is how strong gravity pulls on an object.
weight
What happens when the north pole meets another north pole? (the same)
They repel
Which makes a bigger change in movement, a light force or a strong force?
a strong force
You hit a balloon from the left instead of the right. What changed?
Its direction
Why do people use a bath mat in a tub?
More friction so they do not slip
What tool do we use to measure weight?
scale
Name one object a magnet is likely to pick up: paper clip, cotton ball, or plastic spoon.
paper clip
You tap a golf ball gently and it moves a little. What force word describes what you did?
Light force (a gentle push)
Which will make a ball go farther: a light push or a strong push?
A strong push
You want a toy car to go faster. Do you choose a rough ramp or a smooth ramp, and why?
A smooth ramp, because it has less friction
A cotton ball and a coin both fall. What force is at work?
gravity
True or false: Magnets attract every material.
false