Magnets
A north pole and a north pole will do this.
What is repel?
The force that pulls us towards Earth
What is Gravity?
The change in position of an object.
What is motion?
A force that occurs when two objects rub against each other.
What is friction?
This can be described by using words like beside, under, above, etc.
What is an object's position?
a north pole is attracted to this pole
What is a south pole?
This would happen to us if we did not have gravity on Earth.
What is float away?
The time it takes for something to move from one place to another.
What is speed?
Using brakes on your bike is an example of this force.
What is friction?
Force is just a fancy word for ______ or _______.
What is pushing and pulling?
This type of metal is attracted to magnets
What is iron?
Gravity will pull harder on an object that has more of this.
What is mass?
Back and forth, round and round, zig-zag and straight are examples of this.
What are changes in position of motion?
This type of surface produces the most friction.
What is rough surfaces?
A bowling ball would require more of this to move.
What is force?
A rubber band is an example of this when used near a magnet
What is something that is not attracted to a magnet?
It's like the Earth pulling on you and keeping you on the ground
What is gravity at work?
This makes changes in motion possible.
What is energy?
Oil is a lubricant which can ________ the friction.
What is reduce?
A stopwatch measures this.
What is speed?
_________ is the force exerted by magnets when they attract or repel each other.
What is a magnetism?
The size of the pull depends on the ______ of the objects.
What are the masses?
This can be started, stopped or changed.
What is motion?
The more force you add to an object the ___________ away it will go.
What is farther?
A force created by rubbing a balloon on your hair is this.
What is static electricity?