7.MS-PS3-1 Question Preview (ID: 59650)


7MS-PS3-1. TEACHERS: click here for quick copy question ID numbers.

Which is the best example of an object with kinetic energy?
a) a ball rolling down a hill
b) a car parked on top of a hill
c) a picture hanging on a wall
d) a piece of wood before it has burned

When graphing speed, which is always the dependent variable?
a) time
b) distance
c) speed
d) kinetic energy

When slope increases on a speed graph (distance by time), what does that show?
a) the object is going up a hill
b) the object is slowing down
c) the object is speeding up
d) the object isn't moving

When looking at a speed graph, how do you calculate the object's average speed?
a) calculate its speed at many points and then average them together
b) look at its midpoint only
c) find the difference between its starting and final speeds
d) look at its end point only

When calculating kinetic energy, what two things must you know?
a) speed and mass
b) distance and time
c) speed and time
d) distance and mass

As an object moves faster, what happens to its kinetic energy?
a) it decreases
b) it increases
c) it doesn't change
d) it depends on where it is in the universe

Which most likely has more kinetic energy?
a) a bicycle going down the road
b) a small car going down the road
c) a big truck going down the road
d) a dog running down the road

You look up and see a cloud to the left of a tree. Then you look again and it is to the right of the tree. Which is the reference point?
a) the cloud
b) the wind
c) the air
d) the tree

Which of the following is NOT a unit for speed?
a) inches per year
b) miles per day
c) centimeters per hour
d) gallons per second

Which of the following is a unit of energy?
a) Joule
b) meters per second
c) kilograms
d) kinetic

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