Unit 2 Part 1 Test Review

Which ball has the most potential energy?

• Green, because it is higher

• Blue, because it is lower.

Which statement is true about a ball rolling down a hill?

• The ball will gain KE until it stops

• The ball will gain PE from the hill

• The ball will rapidly lose KE as it rolls down the hill

• The balls PE will convert to KE

The faster an object moves, the ________ kinetic energy it has. 

• more
• less
• none of the above
• all of the above 

Which is the best example of kinetic energy?

• a car parked on a steep hill 
• a tennis ball rolling across the court
• a picture hanging on the wall 
• a piece of coal before it's burned 

Which is true about a stable system?

• It has low potential energy

• It has high potential energy

• It is likely to cause a change.

Tags

NGSS.MS-PS3-2

Alex carried a bike up a hill and the rode the bike down the hill. When Alex reached the bottom of the hill, he rolled to a stop. When did this system become more stable?

• While sitting on the bike at the bottom of the hill

• While sitting on the bike at the top of the hill

• While riding the bike up the hill

• While riding the bike down the the hill

At which position does the child on the swing have the most gravitational potential energy?

• W

• X

• Y

• Z

Tags

NGSS.MS-PS3-2

NGSS.MS-PS2-4

One spring is compressed. Another is stretched. What happened to the elastic potential energy?

• Only the compressed one increased.
• Only the stretched increased.
• They both increased.
• They both decreased.

At which point is the gravitational potential energy greatest?

• W

• X

• Y

• Z

True or False: The heavier an object the more kinetic energy it will have.

• True

• False

Tags

NGSS.MS-PS3-1