Study Guide and Reinforcement
Answer Key
gpscience.com
, To the Teacher
Study Guide and Reinforcement booklet provides an additional
resource for reviewing the concepts of the chapter. There is one work-
sheet for each section, or lesson, of the chapter. The Study Guide work-
sheets are designed to focus primarily on science content and less on
vocabulary, although knowledge of the section vocabulary supports
understanding of the content. The worksheets are designed for the full
range of students.
Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United
States Copyright Act, no part of this publication may be reproduced or distributed in any form or by any
means, or stored in a database or retrieval system, without the prior written permission of the publisher.
Send all inquiries to:
Glencoe/McGraw-Hill
8787 Orion Place
Columbus, OH 43240
ISBN 0-07-866092-0
Printed in the United States of America
1 2 3 4 5 6 7 8 9 10 045 09 08 07 06 05 04
, Table of Contents
To the Teacher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Chapter 1 The Nature of Science . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 2 Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 3 Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Chapter 4 Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Chapter 5 Work and Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Chapter 6 Thermal Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Chapter 7 Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Chapter 8 Magnetism and Its Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Chapter 9 Energy Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Chapter 10 Waves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Chapter 11 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Chapter 12 Electromagnetic Waves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Chapter 13 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Chapter 14 Mirrors and Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 15 Classification of Matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Chapter 16 Solids, Liquids, and Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Chapter 17 Properties of Atoms and the Periodic Table . . . . . . . . . . . . . . . .18
Chapter 18 Radioactivity and Nuclear Reactions . . . . . . . . . . . . . . . . . . . . . .19
Chapter 19 Elements and Their Properties . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Chapter 20 Chemical Bonds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Chapter 21 Chemical Reactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Chapter 22 Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Chapter 23 Acids, Bases, and Salts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Chapter 24 Organic Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Chapter 25 New Materials Through Chemistry . . . . . . . . . . . . . . . . . . . . . . .27
iii
, ANSWER KEY
Chapter 1 9. m3, cm3 21. b
Section 1 10. mL, cm3, L 22. a
1. scientia 11. g/cm3, kg/m3 23. volume = 6 cm3
2. knowledge 12. K, °C
Answers 3 and 4 are interchangeable.
3. observation Section 3
4. investigation 1. line graph
5. overlap 2. temperature vs. time for heating of water
6. explanations 3. time
7. technology 4. horizontal or x-axis
8. modified 5. vertical or y-axis
Answers 9, 10, and 11 are interchangeable. 6. circle graph
9. life science; living things 7. the percentage of elements making up living
things
10. earth science; Earth and space
8. oxygen
11. physical science; matter and energy
9. bar graph
12. investigations
10. the height of students in Sarah’s class
13. scientific method
11. 168 cm
14. dependent
15. constant
Chapter 2
16. bias
Section 1
1. the total number of m, km, or other distance
Section 2
units that are traveled in total; no; d = st
1. length 13. kg, mg
2. the distance from a start point to an end
2. time 14. s point, with a direction; yes; no formula
3. kilogram 15. km, m, cm 3. the total distance traveled in a time interval
4. kelvin 16. a divided by the time interval; no; s = d/t
5. m 17. a 4. the speed at a certain instant in time; no; no
formula
6. kg 18. b
5. the speed with the direction of travel; yes;
7. s 19. b s = d/t can be used, and a direction added
8. K 20. a
Study Guide and Reinforcement 1
Answer Key
gpscience.com
, To the Teacher
Study Guide and Reinforcement booklet provides an additional
resource for reviewing the concepts of the chapter. There is one work-
sheet for each section, or lesson, of the chapter. The Study Guide work-
sheets are designed to focus primarily on science content and less on
vocabulary, although knowledge of the section vocabulary supports
understanding of the content. The worksheets are designed for the full
range of students.
Copyright © by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United
States Copyright Act, no part of this publication may be reproduced or distributed in any form or by any
means, or stored in a database or retrieval system, without the prior written permission of the publisher.
Send all inquiries to:
Glencoe/McGraw-Hill
8787 Orion Place
Columbus, OH 43240
ISBN 0-07-866092-0
Printed in the United States of America
1 2 3 4 5 6 7 8 9 10 045 09 08 07 06 05 04
, Table of Contents
To the Teacher . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Chapter 1 The Nature of Science . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 2 Motion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Chapter 3 Forces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Chapter 4 Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Chapter 5 Work and Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Chapter 6 Thermal Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Chapter 7 Electricity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Chapter 8 Magnetism and Its Uses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Chapter 9 Energy Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
Chapter 10 Waves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
Chapter 11 Sound . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
Chapter 12 Electromagnetic Waves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Chapter 13 Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Chapter 14 Mirrors and Lenses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Chapter 15 Classification of Matter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Chapter 16 Solids, Liquids, and Gases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Chapter 17 Properties of Atoms and the Periodic Table . . . . . . . . . . . . . . . .18
Chapter 18 Radioactivity and Nuclear Reactions . . . . . . . . . . . . . . . . . . . . . .19
Chapter 19 Elements and Their Properties . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Copyright © Glencoe/McGraw-Hill, a division of the McGraw-Hill Companies, Inc.
Chapter 20 Chemical Bonds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Chapter 21 Chemical Reactions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Chapter 22 Solutions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Chapter 23 Acids, Bases, and Salts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Chapter 24 Organic Compounds . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Chapter 25 New Materials Through Chemistry . . . . . . . . . . . . . . . . . . . . . . .27
iii
, ANSWER KEY
Chapter 1 9. m3, cm3 21. b
Section 1 10. mL, cm3, L 22. a
1. scientia 11. g/cm3, kg/m3 23. volume = 6 cm3
2. knowledge 12. K, °C
Answers 3 and 4 are interchangeable.
3. observation Section 3
4. investigation 1. line graph
5. overlap 2. temperature vs. time for heating of water
6. explanations 3. time
7. technology 4. horizontal or x-axis
8. modified 5. vertical or y-axis
Answers 9, 10, and 11 are interchangeable. 6. circle graph
9. life science; living things 7. the percentage of elements making up living
things
10. earth science; Earth and space
8. oxygen
11. physical science; matter and energy
9. bar graph
12. investigations
10. the height of students in Sarah’s class
13. scientific method
11. 168 cm
14. dependent
15. constant
Chapter 2
16. bias
Section 1
1. the total number of m, km, or other distance
Section 2
units that are traveled in total; no; d = st
1. length 13. kg, mg
2. the distance from a start point to an end
2. time 14. s point, with a direction; yes; no formula
3. kilogram 15. km, m, cm 3. the total distance traveled in a time interval
4. kelvin 16. a divided by the time interval; no; s = d/t
5. m 17. a 4. the speed at a certain instant in time; no; no
formula
6. kg 18. b
5. the speed with the direction of travel; yes;
7. s 19. b s = d/t can be used, and a direction added
8. K 20. a
Study Guide and Reinforcement 1
