Lecture 16

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Title: Science 7 - CHEMISTRY & MATTER - What’s in a Substance?
Description: Learn to distinguish between elements, compounds, and pure substances using real-world examples like salt, water, and copper wire.
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Model creativity: 0.5
Lesson plan: Objective: Distinguish between elements, compounds, and pure substances. Materials: Samples/images of copper, salt, water, air. https://upload.wikimedia.org/wikipedia/commons/thumb/f/f0/NatCopper.jpg/250px-NatCopper.jpg https://upload.wikimedia.org/wikipedia/commons/thumb/7/7c/Rock_salt_%28halitite%29_%28Billianwala_Salt_Member%2C_Salt_Range_Formation%2C_Ediacaran_to_Lower_Cambrian%3B_Khewra_Salt_Mine%2C_Salt_Range%2C_Pakistan%29_14.jpg/250px-Rock_salt_%28halitite%29_%28Billianwala_Salt_Member%2C_Salt_Range_Formation%2C_Ediacaran_to_Lower_Cambrian%3B_Khewra_Salt_Mine%2C_Salt_Range%2C_Pakistan%29_14.jpg https://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/Water_drop_001.jpg/330px-Water_drop_001.jpg Introduction (3 min): Show real or visual examples. Ask: "What do you notice about these?" Activity (8 min): Students sort items into element/compound/pure substance groups. Discussion (3 min): Explain definitions and compare examples. Closure (1 min): Quick quiz: Which is a compound – water or copper?
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