Download Chapter 4 Vocabulary Worksheet

CHAPTER
WORK AND ENERGY
4 Vocabulary
work
joule
potential energy
kinetic energy
mechanical energy
conservation of energy
power
watt
horsepower
A. MODIFIED TRUE/FALSE
If the statement is true, write true on the line. If the statement is false, write false and
then rewrite the italicized word or words to make the statement true.
Example: Velocity is the ability of an object to do work or to cause a change.
1.
A horsepower is a much larger unit of measurement than a watt and is used mainly in
connection with engines and motors.
2.
The energy possessed by an object due to its position or motion is mechanical energy.
3.
According to scientists, you do work only when you exert energy.
4.
The law of conservation of energy states that energy can be transferred, transformed, or
lost.
5.
The joule is the standard unit used to measure work.
6.
Potential energy is transformed into chemical energy, which is the energy of motion.
7.
According to scientists, power is the rate at which energy is used.
8.
One watt is equal to one joule of work done in one second.
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
CHAPTER 4
Work and Energy
false; energy
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9.
Potential energy is the energy an object has due to its position or shape.
B. WHICH ONE?
sentence is an example or description of the given vocabulary word.
Explain your answer on the line.
Circle the
Work
Joel is holding a book.
11.
Potential energy
Jon is swimming laps.
12.
Copyright © by McDougal Littell, a division of Houghton Mifflin Company
Tom is holding a baseball.
Power
Lisa walks five blocks in ten minutes.
14.
Tammy is standing at the end of the diving board.
Kinetic energy
Jan is riding her bike to school
13.
Lisa is writing a book report.
Jon stands on the sidewalk for five minutes.
Horsepower
The power produced by a motorboat.
The power produced by a light bulb.
CHAPTER 4
Work and Energy
10.
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