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US Department of Energy
U.s. Dept. Of Energy: Comparing Light Bulbs [Pdf]
A guided activity for students to compare incandescent and CFL light bulbs observing the production of heat and light.
Texas Instruments
Texas Instruments: Light at a Distance: Distance and Light Intensity
In this activity, students can use a light sensor to record the light intensity at various distances from a bulb. They will compare the data to an inverse square and a power law model.
TeachEngineering
Teach Engineering: Human Power
Students do work by lifting a known mass over a period of time. The mass and measured distance and time is used to calculate force, work, energy and power in metric units. The students' power is then compared to horse power and the power...
Science Education Resource Center at Carleton College
Serc: Investigating Electricity: Building Circuits in Elementary Science Class
In this exploration activity, learners compare the difference between series circuits and parallel circuits using wire, light bulbs, and D batteries.
Physics Classroom
The Physics Classroom: Electric Circuits: Circuit Builder
Students manipulate this virtual electronic circuit board where they can add resistors, light bulbs, wires, and ammeters to build a circuit, explore Ohm's law, and compare and contrast series, parallel, and combination circuits. Three...