Download Reading Study Guide B

SECTION
ENERGY IS TRANSFERRED WHEN WORK IS DONE.
4.2 Reading Study Guide B
BIG IDEA Energy
KEY CONCEPT
is transferred when a force moves an object.
Energy is transferred when work is done.
Review
Work is the use of force to move an object.
Take Notes
I.
Work transfers energy. (p. 121)
1.
Fill in the main-idea web with details about how work transfers energy.
II. Work changes potential and kinetic energy. (p. 122)
2.
Fill in the frame-game diagrams for potential and kinetic energy with
illustrations, examples, descriptions, and definitions.
CHAPTER 4
Work and Energy
POTENTIAL
ENERGY
3.
KINETIC
ENERGY
Sketch an example of kinetic energy and an example of potential energy.
Kinetic
Potential
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Work transfers energy.
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A. Calculating Gravitational Potential Energy (p. 123)
4.
What is the formula for gravitational potential energy? What units are used
for gravitational potential energy?
Units:
Formula:
B. Calculating Kinetic Energy (p. 124)
5.
What is the formula for kinetic energy?
C. Calculating Mechanical Energy (p. 125)
6.
Write two statements about mechanical energy.
III. The total amount of energy is constant. (p. 126)
7.
What is the law of conservation of energy?
A. Conserving and Losing Mechanical Energy (p. 126)
In the diagram below, is the mechanical energy of the roller coaster less at
point A than it is at point B? Why or why not? Ignore any losses to friction in
your answer.
B
A
9.
Give an example of a situation in which mechanical energy is not conserved.
Explain how the total energy is still conserved.
CHAPTER 4
Work and Energy
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
8.
B. Forms of Energy (p. 128)
10.
Describe three different forms of energy.
1:
2:
3:
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