Forces Basics
A force is a __________ or a __________.
Push or a Pull.
Opening a drawer is an example of a __________.
Pull.
What happens when a force acts on an object that is not moving?
It can make the object start moving.
Gravity is a force that pulls objects toward __________.
Earth.
Magnets can attract objects made of certain metals, such as __________.
Iron.
A force can make an object start moving, stop moving, or change its __________.
Motion.
Kicking a soccer ball is an example of a __________.
Push.
A toy car is rolling forward. You push it from the side. What can happen?
The force can change the car's direction.
What force causes a dropped pencil to fall to the ground?
Gravity.
What are the two ends of a magnet called?
North and South poles.
The stronger the force you use to push an object, the more likely the object will move __________.
Farther/Faster.
You use a force to move a wagon toward you. Is this a push or a pull?
Pull.
Which will usually make a toy car move farther: a gentle push or a strong push?
Strong pull.
Friction is a force that happens when two surfaces __________ against each other.
Rub/touch.
What happens when opposite magnetic poles are placed near each other?
Attract.
True or False: A force can change the direction an object is moving.
True.
A student pushes a toy car. The car moves away from the student. What type of force is being used?
Push.
A soccer ball is rolling across the grass. A player kicks it in the opposite direction. What happens?
The ball can slow down, stop, or change direction.
Which surface would usually create more friction: a rough carpet or a smooth floor?
Rough carpet.
What happens when two north poles are placed near each other?
They repel each other.
Two students push a box in the same direction. One pushes harder than the other. What happens to the box?
The box will move in the direction they are pushing, and the combined force is greater.
A dog pulls on a leash while its owner pulls in the opposite direction. What might happen?
The forces are acting in opposite directions, so the leash may not move much if the forces are balanced.
Two forces act on an object in opposite directions. One force is stronger. Which direction will the object move?
It will move in the direction of the stronger force.
A toy car rolls farther on a smooth floor than on a carpet. Why?
The carpet creates more friction, which slows the toy car down.
A magnet is placed near a paper clip, but the paper clip does not move. What could this tell you?
The magnet may be too far away, or something may be blocking/interfering with the magnetic force.