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Vocabulary I
Vocabulary II
Motion and Speed
Laws of Motion
300, 400 and 500
100
A law that states that all objects in the universe are attracted to all other object.
What is the law of universal gravitation?
100
A measure of the distance an object moves in a given amount of time.
What is speed?
100
This is the reason brakes on an adult’s bicycle have to be stronger than the brakes on a child’s bicycle.
What is an adult having more momentum?
100
A pole being knocked down when a moving car hits it explains this.
What is conservation of momentum?
200
The first force in the third law of motion.
What is action force?
200
The force that pushes or pulls back in the third law of motion.
What is reaction force?
200
Two skaters traveling in different directions at the same speed do not have the same velocity because of this.
What is going in different directions?
200
A baseball player hitting a ball with a bat, and the ball exerts a force on the bat explains this law of motion.
What is the second law of motion?
300
The path one body in space takes as it revolves around another body.
What is orbit?
300
A measure of how hard it is to slow down or stop an object.
What is momentum?
300
This is how you know an object is moving.
What is the position changing?
300
If an equal force acts on a ping pong ball, baseball or a golf ball this will have the greatest acceleration.
What is a golf ball?
300
This is explains why gravitational forces are stronger on Earth than on the moon or other satellites.
What is inertia?
400
A change in motion caused by unbalanced forces or a change in velocity.
What is acceleration?
400
An object's place or location.
What is position?
400
A train traveling on a curved track at a constant speed is identified as accelerating because of this.
What is a constant changing of direction?
400
This law of motion states that an object at rest will remain at rest unless an outside force acts on it.
What is the first law of motion?
400
Two cars that are traveling in the same direction, but one is ahead of another do not have the same velocity because of this.
What is not having the same speed?
500
An object's speed in a particular direction.
What is velocity?
500
The property of matter that keeps it moving in a straight line or keeps it at rest.
What is inertia?
500
The books Michelle keeps in her a basket on the handlebars of her bicycle never seem to be moving because of this.
What is her frame of reference?
500
This explains the movement of objects on Earth and in space.
What are the laws of motion?
500
This law states that for every action there is an equal and opposite reaction.
What is the third law of motion?