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The Van De Graaff generator is a simple device designed to create large voltages with low current. It can be used to dynamically demonstrate several physical concepts, including: electrostatics, conservation of charge, conduction, and ionization. Static electricity is a familiar concept we encounter on a daily basis. It explains why static cling affects our clothes, the shock we sometimes experience when touching a doorknob on a dry winter day, and why we can cause a friend's hair to stand on end by “charging up” a balloon.
This hand crank operated Van De Graaff Generator measures 24" tall and produces up to 100,000 Volts and is ideal for demonstrating the transformation of energy from mechanical to electrical.
Hand Crank Operated
Excellent for physics classrooms and exciting for learners of all ages. Apparatus can generate an electrostatic charge of up to 100,000 volts in the right conditions. Set includes polished and hand spun Van de Graaff Dome measuring 9.8" in diameter, a 4" discharge wand, 4mm grounding wire and experiment guide with activity questions for learners.
Susan Kleinke
Reviewed in the United States on December 16, 2024
The item description states that it comes with a manual with cool ideas, but it didn't have anything to show how to use the item, etc. It looks awesome for the price, but please include that manual.
Stacey Storie
Reviewed in the United States on September 3, 2023
package very well and awesome tool to teach kiddos about electricityI am missing the instruction and guideline/experiment booklet I was looking forward to using
C
Reviewed in the United States on August 18, 2023
This thing won't actually damage you, but it definitely hurts. In other words, you'll be fine if it zaps you, but you'll definitely say, "ouch." You'll want to keep that grounding wire and discharge wand handy, because this thing will keep an ouch handy for quite a while, as it waits for you to get close enough for it to arc.It's basically assembled as soon as you take it out of the box. You just need to screw the dome on, which can be a touch annoying. You have to line up the threads without actually seeing them. It's not incredibly difficult or anything, but it is annoying.It mostly looks like it does in the pictures. The base may have a bit less polyurethane or whatever is making it shiny in the pictures. It's a bit more dull in person.Using it is easy. You just crank the lever and enjoy your ouch. As you are cranking it, hair will be attracted to it, which is very noticeable when someone has long hair. Be warned though, if you are close enough for your hair to stand on end, you are close enough for it to arc to you. That means ouch.You can turn off the lights, put this next to something metal, crank it and watch the electricity arc to the metal thing. It does so with a rather loud crack. Kids certainly enjoy it.My kids are now challenging each other to see who can endure the most ouch. In other words, they are betting each other based on how many cranks they can do before touching it.The handle isn't isolated, at all. It will bite you right through it. I'm thinking about wrapping it in electrical tape or something.This is also good for testing whether or not you'll get shocked through the handle of tools. If you hold up a tool to this, and you get zapped, that tool isn't very well isolated and you definitely don't want to mess with any voltage with some amperage behind it.You can also light up bulbs with it. You'll probably also get zapped. Watching my kids find ways to light up bulbs without zapping themselves was fun.
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