Name:______Period:______Date:______

6th Grade CCA Week 9 Test Review

Potential & Kinetic Energy

Use the figure below to answer #’s 1-2

1)  Which point on the roller coaster has the greatest potential energy___A_____ and the least potential energy___B______.

2)  Which point on the roller coaster has the greatest kinetic energy____B______and the least kinetic energy___A______.

Use the figures below to answer #’s 3-4

3)  The batteries inside the following objects have what kind of energy in them? ______chemical & potential___

4)  Is the energy in the batteries increasing or decreasing as they are being used?

______decreasing______

5)  Label the following as “Potential” (P) or “Kinetic” (K) energy:

a) b) c) d) e)

___P______K______P______K______P_____

6)  Potential energy is ___stored______energy; kinetic energy is energy in ____motion______.

7)  Determine if the following examples are “Potential” (P) or “Kinetic” (K) energy:

a.  A dog sleeping on the carpet. _____P______

b.  A TV plugged in. ______K______

c.  A bowling ball knocking all the pins down. ______K______

d.  A pencil in your locker. ______P______

e.  A baby crawling. ______K______

Energy Transformation

Write the correct energy transformation for #’s 13-16

8)  Water turbine generator

______mechanical______energy is converted to ______electrical______energy.

9)  When you eat and go outside to play

______chemical______energy converted to ______mechanical______energy.

10)  The battery inside a toy

___chemical______energy converted to ___electrical______energy converted to ____mechanical _____energy.

11)  Flash light using batteries

____chemical____energy converted to ____electrical______energy converted to ____radiant (light)______energy.

12) During an energy transformation, what takes place?

A. Energy is created B. Energy is destroyed C. Energy changes form D. None of the above.

13)  Susan comes home from school and opens up the screen door to get inside her house. After she lets go of the door, a spring pulls the door shut behind her. What kind of energy did the door have when it was wide open?

a. / Potential energy
b. / Kinetic energy
c. / Both potential energy and kinetic energy

14)  Isabelle is swinging on a playground swing. What is happening to the energy as she swings upward?

a. / Her kinetic energy is zero.
b. / Her potential energy is zero.
c. / Her kinetic energy is increasing.
d. / Her potential energy is increasing.

15)  Jaime places a bowling ball at the top of a ramp and the ball rolls down the ramp. Compare the potential and kinetic energy when the ball is at its highest point.

a. / It has the greatest amount of both potential energy and kinetic energy.
b. / It has the least amount of both potential energy and kinetic energy.
c. / It has the greatest amount of potential energy, and the least amount of kinetic energy.
d. / It has the least amount of potential energy, but the greatest amount of kinetic energy.