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Watch an ordinary pencil lead glow to incandescence! Excite and engage makers of all ages as they use the included safety vacuum chamber and supplied filaments to re-create the experiments that led to development of the first real light bulb. Cover electricity, circuits, properties of matter, energy, and more. Includes instructions. Two 6-V alkaline lantern batteries are needed but not supplied.
Build your own working light bulb using the included safety vacuum chamber and a number of different filament materials (tungsten, nichrome, brass, copper, and iron wire, plus a pencil lead). The full-color instruction manual has qualitative and quantitative experiments. Experiments include:
Experiments align with the Next Generation Science Standards, National Science Educational Standards, and Standards for Technological Literacy. This kit is a great way to teach STEM (science, technology, engineering, and mathematics) concepts while integrating history and an appreciation of invention.
Concepts taught by this science kit:
Two 6-V alkaline lantern batteries are needed but not supplied. Note: To get results, the lantern batteries must be alkaline. Carbon-zinc batteries have a higher internal resistance and will not provide enough current to make the light bulb glow.
|Safety Vacuum Chamber||1||Included|
|Hand Vacuum Pump||1||Included|
|Alkaline Lantern Battery, 6 V||2||Needed, Not Included|