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Explore: (30 minutes)
Group Activity: Divide students into small groups and provide them with
materials to explore the three methods of heat transfer.
Conduction:
Materials: Metal rod, hot plate, thermometer.
Task: Heat one end of the metal rod and measure the temperature at the other end
over time.
Convection:
Materials: Clear container, water, food coloring, heat source (e.g., lamp).
Task: Heat the bottom of the container and observe the movement of food
coloring.
Radiation:
Materials: Light bulb, marshmallows, and a timer.
Task: Hold a marshmallow near the light bulb and observe how it heats up without
direct contact.
Explain: (15 minutes)
Class Discussion: Each group presents their findings on how heat transfer occurred
in their experiments.
Concept Introduction: Define conduction, convection, and radiation, providing
examples for each.
Visual Aids: Use diagrams to illustrate how each method of heat transfer works.
Elaborate: (15 minutes)
Real-World Connections: Discuss how heat transfer plays a role in everyday life,
such as cooking, weather patterns, and home heating/cooling systems.
Critical Thinking Questions:
How does understanding heat transfer help us in everyday situations?
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