Review - KE, GE, Elastic Energy, and Energy Transformations

Quiz
•
Science
•
7th Grade
•
Medium
+4
Standards-aligned
Robert Greer
Used 8+ times
FREE Resource
26 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Kinetic Energy is a type of energy that an object has when it is
Moving
At rest
Tags
NGSS.MS-PS3-1
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Two factors that affect the amount of KE a moving object has are...
Speed and Elevation
Speed and Mass
Rigidity and Speed
Mass and Elevation
Tags
NGSS.MS-PS3-1
3.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
As the speed of an object INCREASES, then its KINETIC ENERGY will
Tags
NGSS.MS-PS3-1
4.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
A moving object with LESS MASS will have _______ KE than a moving object with MORE MASS
Tags
NGSS.MS-PS3-1
5.
OPEN ENDED QUESTION
5 mins • 1 pt
Imagine that you are out grocery shopping and are pushing a cart. You push the cart at the same speed the entire time, but fill it up with groceries as you go. When would the cart have more kinetic energy - when it is empty or full? Why?
Evaluate responses using AI:
OFF
Answer explanation
The full cart would have more KE because it has more mass than the empty cart. Both carts are moving at the same speed, so the only difference is mass.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-4
NGSS.MS-PS3-5
6.
OPEN ENDED QUESTION
5 mins • 1 pt
It's wintertime and you are sledding down a steep hill. When do you have more KE, at the top when you start your slide or at the bottom as you finish your slide? Why?
Evaluate responses using AI:
OFF
Answer explanation
You have more KE at the bottom because you are moving fastest at the bottom of the hill. This is because you pick up speed as you travel down the hill. Your mass stays the same, so it doesn't affect the amount of KE.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
7.
OPEN ENDED QUESTION
5 mins • 1 pt
You and your friends are sledding on a four-person sled. In the middle of your run, one of you falls off. Does the KE of the sled increase, decrease, or stay the same right after that happens? Why?
Evaluate responses using AI:
OFF
Answer explanation
The KE decreases because the sled lost the mass of one person. Less mass means that it has less KE now.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
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