What is the difference between Potential Energy and Kinetic Energy?
PE is stored and KE is related to motion
100
What concept did we study in the Car and Ramp Lab?
Acceleration
100
Where does a roller coaster have the most GPE?
At the top of the first hill
200
Acceleration is the rate at which _______ changes.
Velocity
200
What kind of energy does a charged battery have?
Potential Energy (chemical)
200
What does a distance-time graph show?
Speed
200
What 4 kinds of amusement park rides will we study this summer?
falling, colliding, spinning, swinging
300
What is force?
A push or pull
300
What kind of energy does your voice have?
Kinetic Energy (sound)
300
True or False: In the ball bouncing lab, the drop height of 1m was a variable.
False
300
Changes in ____, _____, and ______ make rides fun.
force, motion, energy, speed
400
Define Dependent Variable.
What you measure in an experiment, affected by the Independent Variable
400
Energy is never ____ or ____, it only changes forms.
created or destroyed
400
What did the pennies & cups demo show?
Energy transformations
400
What does Galileo's "Stop Height" refer to?
It means that the no hill or loop after the first hill of a roller coaster can go higher than that first hill, because there will not be enough energy to reach a higher height.
500
What is the difference between a control and an independent variable?
The purpose of a control is NOT to affect the dependent variable. The purpose of an independent variable IS to affect the dependent variable.
500
No matter what energy transformations happen, the ____ energy will always be the same.
total
500
What were the IV, DV, and C in the Car and Ramp lab?
IV: height of the ramp
DV: speed of the car
C: same car
500
Name 5 kinds of energy found in an amusement park.
PE, KE, GPE, sound energy, thermal energy, light energy, mechanical energy, chemical energy