CoolStuff Blogs

Our blogs are created with educators from around the country, and offer a fun and engaging way to discover new ideas and inspiration for your classroom.

Top 10 Demonstrations with the Plasma Globe
Top 10 Demonstrations with the Plasma Globe
The Plasma Globe is an engaging and safe tool for studying high voltages and the electric field. Here are our top 10 demonstrations to perform with the Plasma Globe.
Standing Waves Like You've Never Seen Them Before
Standing Waves Like You've Never Seen Them Before
In this CoolStuff post, explore how springs can visually demonstrate standing waves by manipulating the frequency.
Playing in Galileo's Lab
Playing in Galileo's Lab
Ever been to the Museo Galileo or the Galileo Museum? If not, then we've got you covered. See Galileo's Museum through Physics Teacher Buzz Putnam's eyes as he shares his...
Recreate Physics History: Build a Voltaic Pile
Recreate Physics History: Build a Voltaic Pile
Dive into the history of the voltaic pile, and let us show you how you can make one yourself out of simple and inexpensive materials in this post.
Big Standing Wave - Small Effort!
Big Standing Wave - Small Effort!
This CoolStuff post utilizes the Super Springy to conceptualize the relation between the time, frequency, and length of a wave.
Energy is Energy is Energy!
Energy is Energy is Energy!
Watch in this video as the Honda Corporation uses the idea of energy transfer and conversion to set-up the actual parts of their vehicle in a series of Rube Goldberg-like...
Build a Faraday Motor with Your Students!
Build a Faraday Motor with Your Students!
Now you and your students can build a working replica of Michael Faraday's original motor using just a few simple and inexpensive materials! We show you how in this post.
Boyle, Charles and Cans...Oh, How I love the pressure!
Boyle, Charles and Cans...Oh, How I love the pressure!
In this CoolStuff blog post, Bridgette Sparks of Saline High School in Michigan talks about the high-pressure environment she has created in her classroom! Well, at least with the subject...
Can a Helium Balloon Defy Physics?
Can a Helium Balloon Defy Physics?
What happens when you hang an air-filled balloon from the ceiling of the van and attach a helium-filled balloon to the floor of the van and turn the van left?...
Fresh Ideas for Your Relative Speed Discussions
Fresh Ideas for Your Relative Speed Discussions
Watch as Dr. Joel Bryan from Ball State University shows you how your students can explore relative velocity (speed) with our Constant Velocity Car (Carts).
Resonance Bowl: The Original Standing Wave Demo!
Resonance Bowl: The Original Standing Wave Demo!
The Resonance Bowl dates back to the Han Dynasty (202 BC - AD 9) making this an ancient, but still highly effective, way to discuss and demonstrate standing waves.
Duke students find a way to walk on water...Well, not quite.
Duke students find a way to walk on water...Well, not quite.
Enjoy this cool video of Duke students running and stomping on the non-Newtonian fluid "oobleck".
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