WHY? As the heat from the lamp increases, energy is released. Warm air is lighter than cold air, therefore warm air rises. As this warm air rises, cooler air rushes in to take its place creating a convection current. This then produces air movement. ASSESSMENT: Can the student communicate what they observed?

Student is able to explain that energy from the lamp heats the air above and cooler air then takes its place creating a convection current. Student is able to explain that warm air rises and that warm air causes movement. Student is able to explain that energy rises from the heated light. Student can only explain that the light caused the spiral to move.

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Last modified: Sun Aug 10 18:00:59 PDT 1997

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