Physics Worksheet - Kinetic And Potential Energy
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4Name:
Date:
Aim 19: How does energy change from one form to another?
Think about some devices you use that you use that converts one form of energy to another…
Name
Date
Class
Key Concept Builder
LESSON 2
Energy Transformations
Key Concept
What is the law of conservation of energy?
Directions: In the diagram, a ball has just been thrown and is about to be caught. Use the diagram to answer
A. Changes between Kinetic and Potential Energy
each question. Write the letter of the correct stage on the lines provided. Some stages may be used more than once.
At the ball’s highest point its
kinetic energy is zero and its
potential energy is maximum.
C.
Total
energy
KEPE
Kinetic energy is
D.
decreasing, and potential
energy is increasing.
Kinetic energy is
Total
energy
increasing, and potential
KEPE
energy is decreasing.
B.
Total
energy
KEPE
Kinetic energy is
maximum, and potential
energy is minimum.
Total
energy
E.
A.
KE
PE
Kinetic energy is
maximum, and
potential energy
is minimum.
Total
energy
KEPE
1.
and
At which stages is kinetic energy at the maximum value?
2.
At which stage is the kinetic energy zero?
3.
Which stage has increasing kinetic energy and decreasing potential energy?
4.
At which stage is the potential energy at the maximum value?
5.
At which stages is potential energy at its minimum?
and
6.
Which stage has decreasing kinetic energy and increasing potential energy?
Energy and Energy Transformations
39
*When you throw a ball upward, the ball has its GREATEST SPEED and therefore the MOST ________.
*At the ball’s HIGHEST POINT, the ball has the MOST _______
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C355_038_041_CRF_L2KeyCo_892496.39 39
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1/6/10 9:07:18 PM
*As the ball MOVES BACK DOWNWARD, ______ decreases and _______ increases
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