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Effective temperature activity

(Suitable for grades 6-9)

To estimate effective temperature, draw a line from the appropriate point on the top scale (air temperature) to the appropriate point on the wind-speed scale at the bottom. The effective temperature is the point at which the line crosses the middle scale. In the example, a wind speed of 30 km/h (bottom scale) lowers a temperature of minus 20°C (top scale) to an effective temperature of 31°C (middle scale).

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Classroom activity from Classroom Antarctica.