Vocabulary
Force 1
Force 2
Motion 1
Motion and Force
100
What is force?
What is the push or pull on an object.
100
What is net force?
What is the combined forces acting on an object.
100
Suppose you were to fill a balloon with air then let go of it without tying it closed. What causes the balloon to
fly away?
What is the balloon’s movement is the reaction to the force of air escaping.
100
What causes motion?
What is force.
100
What force causes an object to come to rest?
What is friction.
200
What is motion?
what is the change in position of an object over time.
200
What are exampled of forces acting at a distance (non-contact force)?
What is gravitational force, electrical force and magnetic force.
200
Ignacio uses a hammer to hit a nail into a board on the floor. How does gravity make it easier to hammer the nail?
What is gravity pulls the hammer down so that it pushes on the nail.
200
Although a scientific theory is well supported widely accepted, what might cause it to change?
What is new evidence.
200
What force attracts iron objects?
What is magnetic force.
300
What is contact force?
What is any force that requires contact to occur.
300
What is an example of contact force?
What is friction.
300
What force is represented by arrow 3pooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooop
What is gravity.
300
Andre boarded a train at Lincoln Station. The train left the station at 9:10 p.m. and traveled, without stopping, 6 miles to Union Station. What additional information does Andre need to find the average speed of the train from Lincoln Station to Union Station?
What is the time he arrived to the station.
300
What causes an increase in speed?
What is force.
400
What is non-contact force (force acting at a distance)?
What is a force that requires no physical contact to occur.
400
What keeps the box from moving even though Matthew is pushing on it?
What is The equal and opposite force of friction prevents the box from moving .
400
In baseball, a fly ball happens when a player hits the ball high into the air. The player on the other team must wait for it to come down to catch it. Imagine that there was suddenly no gravity on Earth. How would a fly ball be different?
What is the fly ball would never come down.
400
Which statement describes the information in the graph concerning how the speed of the metal ball increased over time?
What is the line becomes steeper over time.
400
What marble had the greatest average speed. 
What is marble A.
500
What is balanced and unbalanced force?
What is balanced force is when the net force is equal to zero and there is no movement. Unbalanced force is when the net force is greater than zero and causes movement.
500
A rocket burns fuel to create hot gases that explode violently out of the rocket engine. This explosion creates thrust. Thrust is a force that pushes the rocket upward. What force must thrust overcome in order to send a rocket up into space?
What is the gravity acting on the rocket.
500
What is the for called pushing up on us.
What is normal force.
500
What is true of an object in free fall?
What is only the force of gravity is accelerating it.
500
Based on this graph which conclusion describes the result shown in the graph? 
What is he speed of the object increases as time passes.