CoolStuff Blog

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 matter!
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? Then turn right? Find out in this post.
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".
Captivate Your Students on Valentine's Day
Captivate Your Students on Valentine's Day
Take advantage of the sweetie-filled holiday to capture your students attention and teach some physics in the process.
The Perpetual Top
The Perpetual Top
Spin this top once, and it will run for…. well quite a while. But how does it work? Let us explain in this post.
Demos on Light
Demos on Light
Here are our favorite products to help expand on the properties of light in your classroom.
High Voltage and High Drama: Right in Your Classroom!
High Voltage and High Drama: Right in Your Classroom!
Get excited to demonstrate the fundamentals of electricity while showcasing devices that most students have never seen in this CoolStuff post.
Pendulum Wave: Seems like magic, but it's physics!
Pendulum Wave: Seems like magic, but it's physics!
Witness the Pendulum Waves' potential to provide students an opportunity to look deeply into the conceptual nature of transverse waves and strengthen their critical thinking skills.
Putting Scale in Perspective
Putting Scale in Perspective
Joe Spaccavento shares an interesting presentation that incites awe for the scale of the world.
Fun Fly Stick: Electrostatic Exploration
Fun Fly Stick: Electrostatic Exploration
The Fun Fly Stick is a must-have for electrostatics experiments. Simply turn on the levitation wand and try some of the 11 electrostatic experiments in this post!