Vocabulary
Force & Motion 1
Force & Motion 2
Force & Motion 3
Speed
100
A _______ is any push or pull from one object to another.
force
100
Why might a box be difficult to push across the floor?
The box has a lot of mass, which causes a lot of friction
100
What force must a rocket act against as it moves away from Earth?
A. inertia
B. gravity
C. magnetism
D. momentum
Gravity
100
What will most likely happen if you push harder while skating in a straight line?
A. You will turn
B. You will stop
C. You will go slower
D. You will go faster
You will go faster
100
A runner traveled 6 miles in the 1st hour and 8 miles in the 2nd. Describe her motion.
A. speeding up
B. slowing down
C. changing direction
D. stays the same
Speeding Up
200
___________ is the force for of attraction between two objects
Gravity
200
Why would the flag stay in place if 2 teams were pulling in opposite directions at tug-o-war?
the forces are balanced
200
Which describes the role of friction in the operation of a car?
Friction helps a car slow down and stop
200
Jack and the chair are exerting the same amount of force. What will happen to the chair?
A.It will move backward.
B. It will move forward.
C. It will move left.
D. It will stay still.
It will stay still
200
Describe the motion of this object
Traveling at a constant speed, stopped, returned to starting point
300
_________ is a force that opposes the motion of one object moving past another.
Friction
300
What causes an increase in speed?
Greater Force
300
What force attracts iron objects?
Magnetic force
300
Which is a force that keeps the planets in orbit around the Earth?
A. inertia
B. gravity
C. magnetism
D. solar energy
Gravity
300
What information is needed to calculate speed?
Distance and Time
400
_________ is a change in position over time
Motion
400
If two different balls are kicked with the same force, which ball will go the farthest?
A. ball with the smaller mass
B. ball with the greater mass
C. ball with the greater friction
D.ball with the smaller diameter
The ball with the smaller mass
400
An object is traveling at a steady speed in a straight line. What will make it change direction
A. change in the mass of the object
B. change in the shape of the object
C. balanced force acting on the object
D. unbalanced force acting on the object
D. unbalanced force acting on the object
400
When using magnets, if the same poles are facing another, they will ________. If different poles are facing another, they will ______________.
Repel & Attract
400
A runner ran 100 meters in 20 seconds. What was their speed?
5 m/s
500
__________ is the change in velocity over time for an object
Acceleration
500
What is the best example of a pushing force that reduces the speed of an object? A. a bat hitting a baseball B. a brake rubbing against a wheel C. a pedal turning the wheels of a bicycle D. holding onto a dog leash
a brake rubbing against a wheel
500
Darryl pushed a toy car across a floor. It went fast on the wood but slow on the carpet. Why?
Friction increased
500
What two thing determine how big the gravitational force is between 2 objects?
Mass and Distance
500
Describe all 4 objects motion
A. Stopped
B. Traveling at a constant speed
C. Accelerating
D. Decelerating