Exploring Solids and Their Properties
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Exploring Solids and Their Properties
Year 3-4 Science Investigation Discovering how materials work in our world
What Makes Objects Different?
Look around our classroom What solid objects can you see? How would you describe them?
What Are Solids?
Solids have a definite shape They don't change shape easily We can touch and feel them Examples: books, chairs, toys, rocks
Property Detective Challenge
Work in small groups Examine different solid objects Use your senses safely Record what you discover on your observation sheet
Properties of Solids
{"left":"Hard vs Soft\nHeavy vs Light\nRough vs Smooth","right":"Shiny vs Dull\nFlexible vs Rigid\nTransparent vs Opaque"}
Why Do Properties Matter?
We choose materials based on their properties Metal spoons are hard and strong for eating Rubber balls are soft and bouncy for playing Fabric is soft and flexible for clothing
Think and Share
Pick one object you investigated What properties does it have? Why is it good for its job? What would happen if we used a different material?
What We Discovered Today
Solids have different properties we can observe Properties help us understand why materials are used We can describe solids using scientific words Investigation helps us learn about our world