Smart Science：跟美国学生同步学科学（彩色英文版 Grade 1）

Grade 1 01 Can a Rock Grow?..............................................................001 02 Do Monkeys Eat Bananas?................................................003 03 Do Plants Have Mouths?...................................................005 04 Do Fish Drink Water?.........................................................007 05 Review (Lessons 1? 4).........................................................009 06 Animal Habitats..................................................................011 07 Why do Camels have Humps?.........................................013 08 Where do Whales Live?.....................................................015 09 Many Kinds of Leaves........................................................017 10 Review (Lessons 6?9).........................................................019 11 Day and Night.....................................................................021 12 The Night Sky......................................................................023 13 We Need the Sun.................................................................025 14 The Moon.............................................................................027 15 Review (Lessons 11?14).....................................................029 16 Why Is the Summer Hot?..................................................031 17 The Cold Winter..................................................................033 18 Spring Flowers....................................................................035 19 Colourful Fall......................................................................037 20 Review (Lessons 16?19).....................................................039 21 Walls Are Solid....................................................................041 22 Water Is a Liquid.................................................................043 23 Why Do Balloons Float?.....................................................045 24 Why Does Ice Melt?............................................................047 25 Review (Lessons 21? 24).....................................................049 26 Motion and Force................................................................051 27 Force and Distance..............................................................053 28 The Path of a Car................................................................055 29 Gravity..................................................................................057 30 Review (Lessons 25? 29).....................................................059 31 Different Kinds of Animals...............................................061 32 Winter Survival...................................................................063 33 Animal Babies.....................................................................065 34 Hazard Symbols..................................................................067 35 Review (Lessons 31? 34).....................................................069 36 Water and Wind Energy.....................................................071 37 Positions and Movements.................................................073 38 The Florida Manatee..........................................................075 39 An American Volcano........................................................077 40 Review (Lessons 36?39).....................................................079 41 Cotton...................................................................................081 42 A Bee's Life..........................................................................083 43 Wetlands...............................................................................085 44 Insects...................................................................................087 45 Review (Lessons 41? 44)....................................................089 46 Staying Healthy...................................................................091 47 Objects and Materials.........................................................093 48 Reuse and Recycle..............................................................095 49 Structures.............................................................................097 50 Review (Lessons 46? 49)....................................................099