Nature of Science:Unlocking the Secrets of Cells 14
Chapter 1 Cell Structure and Function 18
1 Discovering Cells 20
2 Looking Inside Cells 27
3 Integrating Chemistry:Chemical Compounds in Cells 37
4 The Cell in Its Environment 44
Chapter 2 Cell Processes and Energy 52
1 Photosynthesis 54
2 Respiration 59
3 Cell Division 65
4 Integrating Health:Cancer 74
Chapter 3 Genetics:The Science of Heredity 82
1 Mendel's Work 84
2 Integrating Mathematics:Probability and Genetics 92
3 The Cell and Inheritance 100
4 The DNA Connection 105
Chapter 4 Modern Genetics 114
1 Human Inheritance 116
2 Human Genetic Disorders 123
3 Integrating Technology:Advances in Genetics 130
Chapter 5 Changes Over Time 142
1 Darwin's Voyage 144
2 Integrating Earth Science:The Fossil Record 155
3 Other Evidence for Evolution 163
Interdisciplinary Exploration:Dogs—Loyal Companions 172
Reference Section 178
Skills Handbook 178
Think Like a Scientist 178
Making Measurements 180
Conducting a Scientific Investigation 182
Thinking Critically 184
Organizing Information 186
Creating Data Tables and Graphs 188
Appendix A:Laboratory Safety 191
Appendix B:Using the Microscope 194
Glossary 196
Index 200
Acknowledgments 204
Inquiry Activities 19
CHAPTER PROJECT 19
Opportunities for long-term inquiry 19
Chapter 1:Egg-speriment With a Cell 19
Chapter 2:Shine On! 53
Chapter 3:All in the Family 83
Chapter 4:A Family Portrait 115
Chapter 5:Life's Long Calendar 143
DISCOVER 20
Exploration and inquiry before reading 20
Is Seeing Believing? 20
How Large Are Cells? 27
What Is a Compound? 37
How Do Molecules Move? 44
Where Does the Energy Come From? 54
What Is a Product of Respiration? 59
What Are the Cells Doing? 65
What Happens When There Are Too Many Cells? 74
What Does the Father Look Like? 84
What's the Chance? 92
Which Chromosome Is Which? 100
Can You Crack the Code? 105
How Tall Is Tall? 116
How Many Chromosomes? 123
What Do Fingerprints Reveal? 130
How Do Living Things Vary? 144
What Can You Learn From Fossils? 155
How Can You Classify Species? 163
Sharpen your Skills 25
Practice of specific science inquiry skills 25
Observing 25
Inferring 56
Interpreting Data 70
Predicting 107
Communicating 135
Inferring 149
Calculating 158
Drawing Conclusions 164
？ 33
Reinforcement of key concepts 33
Gelatin Cell 33
What's That Taste? 39
Diffusion in Action 46
Modeling Mitosis 67
Coin Crosses 95
The Eyes Have It 118
Girl or Boy? 120
Bird Beak Adaptations 147
Preservation in Ice 157
Skills Lab 36
In-depth practice of inquiry skills 36
A Magnified View of Life 36
Multiplying by Dividing 73
Take a Class Survey 90
Make the Right Call! 98
Nature at Work 150
Telltale Molecules 168
Real-World Lad 42
Everyday application of science concepts 42
What's in Your Lunch? 42
Gases in Balance 64
Family Puzzles 128
Guilty or Innocent? 138
Interdisciplinary Activities 22
Science and History 22
The Microscope—Improvements Over Time 22
Science and Society 78
Who Owns Your Cells? 78
Who Should Have Access to Genetic Test Results? 137
Connection 29
Language Arts 29
Social Studies 62
Language Arts 86
Math Toolbox 93
Social Studies 125
Social Studies 152
EXPLORING 30
Visual exploration of concepts 30
Plant and Animal Cells 30
The Cell Cycle 68
Meiosis 103
Protein Synthesis 108
A Pedigree 122
Genetic Engineering 133
Life's History 160