基础级 1
Chapter 1 Social Studies History and Geography
Theme: People Move from Place to Place
Unit 01 Moving to a New Community 2
Unit 02 A Nation of Immigrants 4
Theme: Economics
Unit 03 Earning, Spending, and Saving Money 6
Unit 04 Our Needs and Wants 8
Vocabulary Review 1 10
Theme: Living in Different Climates
Unit 05 World Climate Regions 12
Unit 06 Extreme Weather Conditions 14
Theme: Using Resources
Unit 07 Goods and Resources 16
Unit 08 Goods and Services 18
Vocabulary Review 2 20
Wrap-Up Test 1 22
Chapter 2 Science
Theme: A World of Plants
Unit 09 Kinds of Plants 24
Unit 10 How Do Plants Make Food? 26
Theme: A World of Animals
Unit 11 Classifications of Animals 28
Unit 12 What Do Animals Need to Live and Grow? 30
Vocabulary Review 3 32
Theme: Food Chains
Unit 13 What Makes Up a Food Chain? 34
Unit 14 Herbivores, Carnivores, and Omnivores 36
Theme: Ecosystems
Unit 15 What Are Ecosystems? 38
Unit 16 Dinosaurs: Extinct but Still Popular 40
Vocabulary Review 4 42
Theme: The Weather and the Water Cycle
Unit 17 The Weather 44
Unit 18 The Water Cycle 46
Theme: The Earth's Resources
Unit 19 Rocks, Minerals, and Soil 48
Unit 20 Fossils and Fossil Fuels 50
Vocabulary Review 5 52
Wrap-Up Test 2 54
Chapter 3 Mathematics Literature Visual Arts Music
Theme: Geometry
Unit 21 Points, Lines, and Line Segments 56
Unit 22 Polygons 58
Theme: Measurement
Unit 23 The U.S. Customary System and the Metric System 60
Unit 24 Measurement Word Problems 62
Vocabulary Review 6 64
Theme: Myths from Ancient Greece
Unit 25 Gods and Goddesses in Greek Myths 66
Unit 26 Titans, Heroes, and Monsters in Greek Myths 68
Theme: Myths from Ancient Rome
Unit 27 Same Gods, Different Names 70
Unit 28 Cupid and Psyche 72
Vocabulary Review 7 74
Theme: Visual Arts
Unit 29 Architecture and Architects 76
Unit 30 Sculptures and Sculptors 78
Theme: A World of Music
Unit 31 Elements of Music 80
Unit 32 What's Your Vocal Range? 82
Vocabulary Review 8 84
Wrap-Up Test 3 86
Answers and Translations 87
基础级 2
Chapter 1
Social Studies History and Geography
Theme: Geography Skills
Unit 01 What Is a Globe? 2
Unit 02 Understanding Hemispheres 4
Theme: The West Region of the United States
Unit 03 The Environment of the West 6
Unit 04 The California Gold Rush 8
Vocabulary Review 1 10
Theme: The Southwest Region of the United States
Unit 05 The Environment of the Southwest 12
Unit 06 The Economy of the Southwest 14
Theme: The Environment of the United States
Unit 07 The Environment of the Southeast 16
Unit 08 The Environment of the Northeast 18
Vocabulary Review 2 20
Theme: The Industries of the United States
Unit 09 The Leading Industries of the Northeast 22
Theme: The Midwest Region and the Mountain States of the United States
Unit 10 The Midwest Region 24
Unit 11 The Mountain States 26
Vocabulary Review 3 28
Wrap-Up Test 1 30
Chapter 2 Science
Theme: A World of Animals
Unit 12 How Do Animals Grow? 32
Unit 13 What Is Metamorphosis? 34
Theme: Adaptation
Unit 14 How Do Animals Respond to Changes? 36
Unit 15 Animal Adaptations for Survival 38
Vocabulary Review 4 40
Theme: The Earth's Changing Surface
Unit 16 What Changes the Earth's Surface? 42
Unit 17 Fast Changes to the Earth's Surface 44
Theme: The Universe
Unit 18 Our Solar System 46
Unit 19 The Sun and Other Stars 48
Vocabulary Review 5 50
Theme: Matter
Unit 20 What Is Matter? 52
Unit 21 Changes in Matter 54
Theme: Our Bodies
Unit 22 Taking Care of Our Bodies 56
Unit 23 The Six Nutrients 58
Vocabulary Review 6 60
Wrap-Up Test 2 62
Chapter 3 Mathematics Language Visual Arts Music
Theme: Fractions
Unit 24 Fractions 64
Unit 25 Understanding Fractions 66
Theme: Decimals
Unit 26 Understanding Decimals 68
Unit 27 Reading and Writing Fractions and Decimals 70
Vocabulary Review 7 72
Theme: Learning about Sentences
Unit 28 What Kind of Sentence Is It? 74
Unit 29 Punctuation Marks 76
Theme: Visual Arts
Unit 30 Appreciating Artwork 78
Unit 31 Creating Designs 80
Theme: A World of Music
Unit 32 Elements of Music 82
Vocabulary Review 8 84
Wrap-Up Test 3 86
Answers and Translations 87
基础级3
Chapter 1 Social Studies History and Geography
Theme: Geography Skills
Unit 01 Reading Maps 2
Unit 02 Mountains, Rivers, and Deserts of the World 4
Theme: The World Economy
Unit 03 A World of Trade 6
Unit 04 Ancient Trade 8
Vocabulary Review 1 10
Theme: Ancient Egypt
Unit 05 The Gift of the Nile 12
Unit 06 The Culture of Egypt 14
Theme: Ancient Greece
Unit 07 Ancient Greece 16
Unit 08 Socrates and Plato 18
Vocabulary Review 2 20
Theme: Ancient Rome
Unit 09 Ancient Rome 22
Unit 10 The Founding of Rome 24
Theme: The Middle Ages
Unit 11 Europe in the Middle Ages 26
Unit 12 Feudalism 28
Vocabulary Review 3 30
Wrap-Up Test 1 32
Chapter 2 Science
Theme: Inquiry Skills and Scientific Tools
Unit 13 What Is the Scientific Method? 34
Unit 14 Scientific Tools 36
Theme: A World of Living Things
Unit 15 What Are Cells? 38
Unit 16 Classifying Living Things 40
Vocabulary Review 4 42
Theme: Heredity and Traits
Unit 17 What Is Heredity? 44
Unit 18 What Are Traits? 46
Theme: The History of the Earth
Unit 19 The Formation of the Earth 48
Unit 20 Continental Drift 50
Vocabulary Review 5 52
Theme: Energy
Unit 21 Light and Heat 54
Unit 22 Electricity 56
Theme: Motion and Force
Unit 23 Motion and Force 58
Vocabulary Review 6 60
Wrap-Up Test 2 62
Chapter 3 Mathematics Language Music
Theme: Fractions
Unit 24 Understanding Fractions 64
Unit 25 Word Problems with Fractions 66
Theme: Geometry
Unit 26 Lines and Angles 68
Theme: Learning about Language
Unit 27 Prefixes and Suffixes 70
Unit 28 Tenses 72
Vocabulary Review 7 74
Theme: Grammar
Unit 29 Complete Sentences 76
Unit 30 Proofreading 78
Theme: A World of Music
Unit 31 Musical Notation 80
Unit 32 Composers and Their Music 82
Vocabulary Review 8 84
Wrap-Up Test 3 86
Answers and Translations 87