Theme: Technology Changes the World全球工業技術的改變
Unit 1 How Transportation Has Changed交通工具如何演變
Unit 2 Inventors and Inventions發明者和發明
Theme: Government政府
Unit 3 Choosing Our Leaders選領袖
Unit 4 Presidents’ Day in February二月總統節
Vocabulary Review 1 單字複習1
Theme: The World around Us世界各國
Unit 5 Countries Have Neighbors我們的鄰近國家
Unit 6 The Amazon Rainforest亞馬遜雨林
Theme: Protecting the Earth保護地球
Unit 7 Protecting the Earth保護地球
Unit 8 The World’s Endangered Animals世界瀕臨絕種動物
Vocabulary Review 2 單字複習2
Theme: World Religions世界宗教
Unit 9 World Religions世界宗教
Unit 10 Religious Holidays宗教節慶
Theme: Europeans Come to the New World新世界的歐洲移民
Unit 11 Early Travelers to America美國的早期移民
Unit 12 The Pilgrims and Thanksgiving 清教徒和感恩節
Vocabulary Review 3 單字複習3
Wrap-Up Test 1 總複習1
Chapter 2 Science自然科學學科
Theme: Our Earth我們的地球
Unit 13 Inside the Earth地球內部構造
Unit 14 Earthquakes and Volcanoes地震和火山
Theme: The Solar System太陽系
Unit 15 Why Does the Moon Seem to Change? 為何月亮有圓缺變化?
Unit 16 The First Man on the Moon登上月球的第一人
Vocabulary Review 4 單字複習4
Theme: Electricity電
Unit 17 Electricity電
Unit 18 Conserving Electricity節約用電
Theme: Motion and Energy移動和外力
Unit 19 Motion and Forces移動和外力
Unit 20 Magnets磁鐵
Vocabulary Review 5 單字複習5
Theme: Sound聲音
Unit 21 What Is Sound? 何謂聲音?
Unit 22 Sounds and Safety聲音和安全
Theme: The Human Body人體
Unit 23 The Organs of the Human body人體器官
Unit 24 The Five Senses五大感官
Vocabulary Review 6 單字複習6
Wrap-Up Test 2 總複習2
