Introduction to Hands-On Science and Technology for Ontario, Grade 3 1 Introduction to Hands-On Science and Technology 2 Program Introduction 2 The Inquiry Approach to Science and Technology 2 21st Century Teaching and Learning 3 The Goals of the Science and Technology Program 3 Hands-On Science and Technology Strands and Expectations 4 Hands-On Science and Technology Fundamental Concepts and Big Ideas 4 Hands-On Science and Technology Program Principles 5 Infusing Indigenous Perspectives 5 Cultural Connections 7 Land-Based Learning 7 Technology 7 Sustainability 7 Program Implementation 8 Program Resources 8 Classroom Environment 11 Planning Units--Timelines 12 Classroom Management 12 Classroom Safety 12 Scientific Inquiry Skills: Guidelines for Teachers 12 Observing 12 Questioning 13 Exploring 13 Classifying 13 Measuring 14 Communicating, Analyzing, and Interpreting 14 Predicting 15 Inferring 15 Inquiry Through Investigating and Experimenting 16 Inquiry Through Research 16 Online Considerations 17 Addressing Students'' Early Literacy Needs 17 Technological Problem Solving 17 Makerspace 18 The Hands-On Science and Technology Assessment Plan 20 Assessment for Learning 21 Assessment as Learning 21 Assessment of Learning 22 Performance Assessment 23 Portfolios 23 Evidence of Student Achievement Levels for Evaluation 24 Important Note to Teachers 24 References 25 Assessment Reproducibles 26 Achievement Chart for Science & Technology 41 Unit 1: Growth and Changes in Plants 43 Introduction 44 Unit Overview 48 Curriculum Correlation 49 Resources for Students 51 Websites 53 1 What Do We Know About Plants and Their Needs? 56 2 What Are the Parts of a Plant? 61 3 What Are Some Special Features of Plants? 65 4 How Do Plants Adapt in Order to Survive? 73 5 What Is the Life Cycle of a Plant? 78 6 What Parts of Plants Do We Eat? 84 7 What Are the Different Ways in Which Plants Are Grown for Food? 89 8 How Can We Investigate the Needs of Plants? 94 9 How Can We Design a Terrarium to Sustain Living Things? 100 10 In What Other Ways Are Plants Important to Humans? 105 11 How Can Dye Be Made From Plants? 109 12 How Do Plants and Animals Depend on Each Other? 114 13 How Do Plants Help Reduce Erosion? 118 14 How Can We Protect Plants? 122 15 Inquiry Project: What More Can I Learn About Plant Products? 126 Unit 2: Strong and Stable Structures 129 Introduction 130 Unit Overview 133 Curriculum Correlation 134 Resources for Students 135 Websites and Online Videos 136 1 What Is a Structure? 138 2 Where Are Structures Found? 143 3 Which Materials Are Stronger Than Others? 147 4 What Are Joints? 154 5 How Can We Build Structures to Be Stronger and More Stable? 160 6 How Can We Build a Frame That Is Strong and Stable? 165 7 What Structures Has Nature Engineered? 170 8 How Are Structures Around the World Similar and Different? 176 9 What Are Some Careers in Design and Building? 181 10 What Other Structures Can We Build? 185 11 Inquiry Project: What More Can I Learn About Important Buildings and Structures? 192 Unit 3: Forces Causing Movement 195 Introduction 196 Unit Overview 199 Curriculum Correlation 200 Resources for Students 201 Websites and Online Videos 203 1 What Is a Force? 206 2 How Is a Force a Push or a Pull? 210 3 What Is Friction? 214 4 Which Objects Do Magnets Attract? 217 5 How Is a Magnet Made? 222 6 How Can a Magnetic Force Be Altered? 226 7 How Is Earth Like a Giant Magnet? 232 8 What Are Helpful Uses and Harmful Effects of Magnets? 237 9 What Is Static Electricity, and How Is It Created? 240 10 How Does Humidity Affect Static Electricity? 244 11 How Can the Force of Static Electricity Be Demonstrated Safely? 248 12 How Does an Electroscope Work? 252 13 What Effect Does Gravity Have on Different Objects? 255 14 What Are Some Forces of Nature? 262 15 How Are Forces Used to Move Toys? 266 16 How Can Safety Devices Be Used to Reduce the Effects of Forces? 270 17 Inquiry Project: How Can I Design a Toy or Game That Uses Forces? 273 Unit 4: Soils in the Environment 277 Introduction 278 Unit Overview 281 Curriculum Correlation 282 Resources for Students 283 Websites and Online Videos 285 1 What Do We Know About Soil? 287 2 What Are the Different Types of Soil? 291 3 How Can Soil Components Be Separated? 297 4 How Much Water Can Different Soil Types Absorb? 301 5 How Do Different Soils Affect the Growth of Plants? 306 6 What Lives in Soil? 312 7 How Does Rainfall Affect Soil? 316 8 How Can Organic Materials Be Recycled? 320 9 How Do Humans Use Earth Materials? 325 10 Inquiry Project: What More Can We Learn About Products Made From Earth Materials? 328 References 333 Appendix: Image Banks 335 About the Contributors 353.