Linking Living Things 2
Before You Read 2
A Spider Worth Sauing 4
Section 1:Living Things Need Food 6
Section 2:Food Chains and Food Webs 10
genre Reading an Encyclopedia Entry 15
After You Read 18
Glossary 22
Food Chains in Action 24
Before You Read 24
The School's Garden 26
Section 1:What Are Food Chains? 28
Section 2:What Are Food Webs? 34
genre Reading an Encyclopedia Entry 37
After You Read 40
Glossary 44
Food Chains and Food Webs 46
Before You Read 46
The Problem with the Pond 48
Section 1:Producers,Consumers,and Decomposers 50
Section 2:The Flow of Energy 55
genre Reading an Encyclopedia Entry 57
After You Read 62
Glossary 66
Help Your Health 68
Before You Read 68
Clean Hands Week 70
Section 1:Personal Hygiene is Important 72
Section 2:Some Diseases Do Not Spread 77
genre Reading a Pamphlet Taking Proper Care ofYour Teeth 80
After You Read 84
Glossary 88
Healthful Habits 90
Before You Read 90
The Checklist 92
Section 1:Preventing Communicable Diseases 94
Section 2:Preventing Noncommunicable Diseases 98
genre Reading a Pamphlet Getting Better 102
After You Read 106
Glossary 110
Good Health and You 112
Before You Read 112
A Public Seruice Announcement 114
Section 1:Communicable Diseases 116
genre Reading a Pamphlet Parasite Problems 118
Section 2:Avoiding Communicable Diseases 120
Section 3:Noncommunicable Diseases 122
Section 4 Avoiding Noncommunicable Diseases 124
After You Read 128
Glossary 132