Lighting

Suggested Reading:  Lighting

Activity 1: Light Bulb Investigations

Objective
Students will understand the differences between incandescent and CFL light bulbs.

Time
One class period

Materialsfor Each Investigation
-2 Lamps
-1 Incandescent bulb
-1 Compact Fluorescent light bulb

Materials for Investigation 1
-2 Thermometers
-Tape
-Light Bulb Investigation 1 worksheet

Materials for Investigation 2
-1 Kill A Watt monitor
-Light Bulb Investigation 2 worksheet

Materials for Investigation 3
-1 Light meter
-Light Bulb Investigation 3 worksheet

Note: Make sure that the incandescent and CFL bulbs have as close to the same lumen ratings as possible.

Procedure

  1. Divide your class into three groups.
  2. Assign each group one of the light bulb investigations. Have students follow the procedures on the student worksheets.
  3. Discuss results as a class.

Activity 2: Facts of Light

Objective
Students will compare and contrast the financial and environmental impact of their lighting choices.

Time
One class period

Materials
-Facts of Light worksheet

Procedure
Review the findings from the Light Bulb Investigations. Based on their findings, how do students believe the cost of bulbs is affected?