Eddy Current Tube Demo

This classic physics demonstration shows how a magnet falling through a copper pipe will slow down as it transfers some of its energy to move electrons in the conductive copper pipe. Those moving electrons create a magnetic field which interacts with the magnetic field of the magnet to slow it down. This document describes how…

Read More

RGB Primary Color Light Show Paper Circuit

Let students build this paper circuit to explore the REAL primary colors, which are NOT blue, yellow, and red! For detailed step-by-step instructions, check out our Instructable for this paper circuit: #STEMontheCheap RGB Light Show Paper Circuit If you are interested in a 3rd grade science unit to introduce the REAL primary colors, you might…

Read More

Perplexing Parallel Paper Circuit

Let your students explore the nature of science and use the science practices when they build this paper circuit and explore the rules that govern which LEDs will light at the same time and which ones will not. Extend their learning into constructing an explanation as you challenge them to provide a claim, supported by…

Read More

Flag and Primary Color Afterimage Optical Illusions

You can either print these out in color or just look at them on a screen to see an afterimage based on how your red, green, and blue color receptors work in your eye. Scroll completely to the bottom to find a document best used for on screen viewing. What colors do you see? The…

Read More

Skype a Scientist

  Skype a Scientist matches scientists with classrooms around the world! Scientists will skype into the classroom for 30-60 minute Q and A sessions that can cover the scientist’s expertise or what it’s like to be a scientist.  

Read More