chapter 7 mhr answers

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Chapter 7 Static charge is produced by electron transfer Answers. Section 7.1 Static Charge Reading Checks Pages 98–99 1. proton, electron 2. electrons Close Activity Charge it Page 100 1. static charge 2. atoms 3. nucleus, protons, neutrons 4. electrons
 5. neutral
 6. positive 7. negative 
8. insulators, conductors
 9. coulomb
 10. Van de Graaff generator 11. grounding Applying Knowledge Static charge detective Page 101 1. Charge on socks: positive, Charge on skirt: negative 2. Char
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  Chapter 7 Static charge is produced by electron transfer Answers.   Section 7.1 Static Charge Reading Checks Pages 98–99 1. proton, electron 2. electrons Close Activity Charge it Page 100 1. static charge 2. atoms 3. nucleus, protons, neutrons 4. electrons 5. neutral 6. positive 7. negative 8. insulators, conductors 9. coulomb 10. Van de Graaff generator 11. grounding  Applying Knowledge Static charge detective Page 101 !   #$%&'( *+ ,*-.,/ 0*,1213(4 #$%&'( *+ ,.1&2/ +('%213( 5   #$%&'( *+ -*67/ +('%213(4 #$%&'( *+ $%1&/ 0*,1213( 8   #$%&'( *+ 91+:*9/ 0*,1213(4 #$%&'( *+ 0%0(& 2*9(;/ +('%213( <   #$%&'( *+ 7%;;**+/ +('%213(4 #$%&'( *+ -%2=, >?&/ 0*,1213( Comprehension Conductors and insulators Page 102 5.   (a) material that allows electrons to move freely (b) material that does not allow electrons to move freely 6.   (a) insulator; does not allow electrons to move freely (b) insulator; does not allow electrons to move freely (c) conductor; allows electrons to move freely(d) conductor; allows electrons to move freely(e) conductor; allows electrons to move freely (f) insulator; does not allow electrons to move freely  Assessment Static charge Page 103 1. C 2. B 3.  A 4. B 5. C 6.  A 7.  A 8. B, C 9. B 10.  A 11. C 12. D 13. C 14. C   Section 7.2 Electric Force Reading Checks Pages 104–105 1. they will be attracted 2. neutral objects are temporarily charged by induction Interpreting Illustrations Neutral, positive, or negative charges? Page 106 1. Answers A, B, and C can be in any order. (a) Opposite charges attract. (b) Like charges repel. (c) Neutral objects are attracted to charged objects. 2. (a) attract (b) attract (c) attract (d) repel (e) repel (f) attract Charging by conduction or induction Page 107 1.   (a) induction (b) conduction (c) induction 2.   (a) induction (b) induction (c) conduction Close Activity Positive, negative, and neutral objects Page 108 1. electric force 2. laws of static charge, attract, repel 3. Either order is acceptable: type of charge, distance between objects 4. increase, decrease 5. electroscope 6. repel 7. neutral 8. conduction, electroscope 9. induction, electroscope 10. induction  Assessment Electric force Page 109 3.   1.  A 2. B 3. B 4.  A 5. D 6. C 7. B 8.  A 9. D
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