Name: Period: --------------------------------------- ------------------ ENERGY Key Terms Chapter 5 Pages M144-M169 Write down the definition of each word in the space provided 1. energy 2. kinetic energy 3. potential energy 4. gravitational potential energy 5. elastic potential energy 6. mechanical energy 7. thermal energy 8. electrical energy 9. chemical energy 10. nuclear energy 11. electromagnetic energy 12. energy transformation 13. Law of Conservation of Energy 14. fossil fuel
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ENERGY - Weber School Districtblog.wsd.net/amwhitworth/files/2015/03/energy-packet.pdf · of conservation ofenergy. ... _____ .There are two general kinds ofenergy. The energy of
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Write down the definition of each word in the space provided
1. energy
2. kinetic energy
3. potential energy
4. gravitational potential energy
5. elastic potential energy
6. mechanical energy
7. thermal energy
8. electrical energy
9. chemical energy
10. nuclear energy
11. electromagnetic energy
12. energy transformation
13. Law of Conservation of Energy
14. fossil fuel
Name _ Date _ Class _
Energy Guided Reading and Study
(~ What Is Ene;'gy? p. m l~'" - (YI ISOThis section explains how work, power, and eI1ergy are related. It also identifies thetwo basic kinds of energJJ.
Use Target Reading SkillsPreview the figure and headings in the section before you read. Record what youalready know il1 the graphic organizer. After you have completed the section, writeseveral things you have learned about energy ill the graphic organizer.
What You Know
i(i~
Energy, Work, and Power1. The ability to do work or cause change is called
2. Why can work be thought of as the transfer of energy?
if1\,\,. Forms of EnergyUse Target Reading SkillsAfter you read this section, reread the paragraphs that contain definitions of KeyTerms. Use all the information you have leamed to write a defillitioll a each Key~m il1lfour own words. Be sure YOllr definition could be use to explain the termto someone who has not read the section.
p. I'l1 I 'S"" J - r1J S~
mechanical energy _
thermal energy __
electrical energy _
( ((Ichelllicalenergy _
electromagnetic energy _
nuclearenergy ___
Mechanical Energy1. What two forms of energy are associated with mechanical energy?
2. How would you calculate an object's mechanical energy?
3. What 51 unit is used to measure mechanical energy?
Energy Transformations and ConservationThis section explains how different fonns of energy are related and describes the lawof conservation of energy.
p.m ,~-S- rnllo3Use Target Reading Skills
Before you read, preview the red headings for an overview of the section content. Aska what or a how question for each heading. As you read the material under eachheading, find the answer to your question and record it in the graphic organizer.
Energy TransformationsQuestion
Answer
Energy Transformations
1. A change from one form of energy to another is called a(n)
2. Is the following sentence true or false? Most forms of energy can beconverted into other forms. __
3. Describe the conversion of chemical energy to mechanical energy inyour bOdy_
Energy Transformations and Conservation (continued).8. Friction converts mechanical energy to _
energy.
9. Circle the letter of the sentence that explains why no machine is 100percent efficient.
a. Electrical energy is converted to mechanical energy by fuel.b. Mechanical energy is converted to thermal energy by friction.c. Thermal energy is converted to mechanical energy by friction.d. Mechanical energy is conVerted to electrical energy by a spark.
10. How did Albert Einstein's theory of relativity change the law ofconservation of energy?
11. Is the following sentence true or false? Matter can sometimes beconvertedtoenergy. __
Energy Transformationsand ConservationUnders",nding Main Ideas
e
~Study the illustration aboveand then read thefollowing statements. If the statementis true, write true, If it is false, change the underlined word or words to make thestatement true, .
_________________ 1. An energy transformation is occurring ~~,
_______________ 2. In this example, the law of conservation ofenergy says that the ball neyer loses kinetic~, .
_________ 3. As the ball rises from point 1 to point 3, it ~Jimm.
______ --:- 4. The ball has the most potential energy at~.
________ S. The ball has the most kinetic energy at~.
Building VocabularyWrite a definition for eachof thefollawing terms on the lines below.
(~ KeyTermsComplete the following paragraphs using the list of words and phrases below. Eachword or phrase is used only once.
Word Banklaw of conservation of energy nuclear energy kinetic energythermal energy fossil fuels electromagnetic energyenergy transformation electrical energy power energymechanical energy potential energy chemical energy
In nature, things are constantly changing, and the identification of what causes changes
is important in physical science. The ability to do work or cause change is called
___________ . There are two general kinds of energy. The energy of1
motion is called . Energy that is stored and held in readiness2is called __
3There are different forms of the two general kinds of energy. The energy associated
with the motion or position of an object is called . The total4
energy of the particles of an object is called . The potential5
energy stored in chemical bonds that hold chemical compounds together is called
___________ . The energy that moving electric charges carry is called6
___________ . Visible light and other waves of energy are forms of7
___________ . The energy stored in the nucleus of an atom is8
9Most forms of energy can be converted into other forms. A change from one form
of energy to another is called . Such changes from one form10
of energy to another do not mean any energy is lost. The _11
states that when one form of energy is converted to another, no energy is destroyed in
the process.
A fuel is a material that stores chemical potential energy. For many purposes, we
use , such as coal, petroleum, and natural gas. The energy12
conversions in modern coal-fired power plants result in the electricity you use for home
electrical devices. You use these devices to do work. The rate at which work is done, or
the amount of work done in a unit of time, is called _13