Unit 2 Energy

Quiz
•
Physics
•
6th - 8th Grade
•
Hard
+5
Standards-aligned
Charles Martinez
FREE Resource
28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Engineers studying the effects of collisions on automobile frames observed that a collision between a car and a steel post caused a small amount of damage when the car was moving at 2.0 m/s but significant damage when the car was moving at 10 m/s. What change in the collision explains the difference in damage to the car?
The car that was moving faster had more kinetic energy.
There was more friction between the car and the post at the higher speed.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Joelle noticed that when she uses the brakes on her bicycle while she is traveling at a slow speed, she stops moving immediately. When she is riding much faster, it takes more time for the bike to come to a stop after she applies the brakes. Which is the BEST explanation for this observation?
Moving at higher speeds increases the mass of the bike so it require more energy to stop its motion.
Joelle and her bike have more kinetic energy at higher speeds.
Tags
NGSS.MS-PS3-1
NGSS.MS-PS3-5
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student pushed a rock from the top of the hill. What type of energy change occurred after the rock was pushed?
Kinetic energy was converted to electrical energy
Potential energy was converted to kinetic energy
Tags
NGSS.MS-PS3-2
NGSS.MS-PS3-5
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A roller coaster is climbing up the highest hill on its track. At which point will the front car of the coaster MOST likely have its greatest potential energy?
At the bottom of the highest hill
At the top of the highest hill
Tags
NGSS.MS-PS3-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the difference between potential energy and kinetic energy?
Potential energy is the energy of an object due to its position, while kinetic energy is energy due to its motion.
Potential energy is the energy of an object due to an applied force, while kinetic energy is energy stored after the applied force.
Tags
NGSS.MS-PS3-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The sun produces energy through
Chemical reactions
Nuclear fusion
Tags
NGSS.HS-ESS1-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A ball rolls across the floor and slows down to a stop. Which force caused the ball to slow down?
Gravity
Friction
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