Grade Levels:
K-3
Questions:
Do incandescent and fluorescent bulbs produce the same kind of light?
Do incandescent and fluorescent bulbs produce the same amount of heat?
Possible Hypotheses:
Incandescent and fluorescent bulbs do/do not produce the same kind of light.
Incandescent and fluorescent bulbs do/do not produce the same amount of heat.
Materials:
One incandescent and one fluorescent bulb that produce equivalent lumens
Thermometer
Lamp
Procedure:
- Have an adult place the fluorescent bulb in the lamp and turn it on.
Observe the light that is produced. - Hold a thermometer six inches above the bulb for one minute and record the temperature. Turn off the lamp and let the bulb cool.
- Have an adult remove the fluorescent bulb, place the incandescent bulb in the lamp and turn it on. Observe the light that is produced.
- Hold a thermometer six inches above the bulb for one minute and record the temperature.
Analysis and Conclusion:
Could you tell any difference in the kind of light the two bulbs produced? Did one bulb produce more heat than the other? Which bulb is more energy efficient?
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