Chapter 1 Health <br/>Unit 1 Healthy Teeth 12 <br/>Unit 2 Drinking Water 16 <br/>Unit 3 Regular Exercise 20 <br/>Review Test 24 <br/><br/>Chapter 2 Wishes <br/>Unit 1 My Wishes 30 <br/>Unit 2 An Artist 34 <br/>Unit 3 Christmas Wishes 38 <br/>Review Test 42 <br/><br/>Chapter 3 Nature <br/>Unit 1 Deserts 48 <br/>Unit 2 The Sun 52 <br/>Unit 3 Polar Bears 56 <br/>Review Test 60 <br/><br/>Chapter 4 Historical Figures <br/>Unit 1 Barack Obama 66 <br/>Unit 2 First Man on the Moon 70 <br/>Unit 3 Alfred Nobel 74 <br/>Review Test 78 <br/><br/>Chapter 5 Earth <br/>Unit 1 Asia 84 <br/>Unit 2 The Earth 88 <br/>Unit 3 Save the Earth 92 <br/>Review Test 96 <br/><br/>Chapter 6 Stories <br/>Unit 1 The Greedy Dog 102 <br/>Unit 2 The Rabbit and the Turtle 106 <br/>Unit 3 A Fable 110 <br/>Review Test 114 <br/><br/> Chapter 1 Health
Unit 1 Healthy Teeth 12
Unit 2 Drinking Water 16
Unit 3 Regular Exercise 20
Review Test 24

Chapter 2 Wishes
Unit 1 My Wishes 30
Unit 2 An Artist 34
Unit 3 Christmas Wishes 38
Review Test 42

Chapter 3 Nature
Unit 1 Deserts 48
Unit 2 The Sun 52
Unit 3 Polar Bears 56
Review Test 60

Chapter 4 Historical Figures
Unit 1 Barack Obama 66
Unit 2 First Man on the Moon 70
Unit 3 Alfred Nobel 74
Review Test 78

Chapter 5 Earth
Unit 1 Asia 84
Unit 2 The Earth 88
Unit 3 Save the Earth 92
Review Test 96

Chapter 6 Stories
Unit 1 The Greedy Dog 102
Unit 2 The Rabbit and the Turtle 106
Unit 3 A Fable 110