Vocabulary
Force
Energy
Energy 2
Examples
100
What does motion mean?
change in an object's position
100
What is a push or a pull?
force
100
Stored energy is...
Potential Energy
100
The energy of motion is...
Kinetic Energy
100
If you drop a dime and a quarter from the same height which will hit the ground first?
neither they will hit at the same time
200
Velocity is described as an object's _____ and ____.
speed and direction
200
What is the force that pulls objects down?
gravity
200
Energy is the ability to do _____.
work
200
Which has more kinetic energy a fastball thrown by a pro pitcher or an underhanded pitch thrown by the PE teacher?
Fastball by pro pitcher
200
The solid cylinder has a greater mass. Which object will roll the farthest?
solid cylinder
300
What is how fast an object's position changes over time?
speed
300
What are three things a force can cause an object to do?
change its speed, change its direction, move, stop
300
The _________ an object is the more potential energy it has.
higher
300
All ______ objects have kinetic energy.
Moving
300
Is it accelerating or not accelerating? Why?
a racer at the starting line
not accelerating
because they aren't moving
400
What is a change in velocity over time?
acceleration
400
What two factors affect the acceleration of an object?
mass or weight and using a greater force
400
Where would a child have more potential energy at the top of a slide or at the bottom.
top
400
Name a factor that impacts kinetic energy.
speed or mass/weight
400
Is it accelerating or not accelerating? Why?
a race car going around a curve
accelerating
because it is changing direction
500
Does an object have more energy when it is moving slow or fast?
fast
500
If you were pulling the objects below, what would you have to do to move both objects the same distance?
Object 1 Object 2
use more force to pull object 2
500
When you compress a spring what type of energy does it have?
potential energy
500
At which point on a roller coaster would the kinetic energy be the highest?
At the bottom of the hill.
500
If you roll an object down a 6 ft high ramp and the same object down a 3 ft high ramp, which object will have the greater speed and why?
The object that went down the 6 ft ramp because it was higher.