CoolStuff Blog

Demonstrating The Fundamentals of Electric Circuits
Demonstrating The Fundamentals of Electric Circuits

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Electric Circuits are an essential topic that cover the conservation of charge, the conservation of energy, the flow of current and the concept...

Kinetic Energy Demonstrated With Newton's Cradle & Colliding Steel Spheres
Kinetic Energy Demonstrated With Newton's Cradle & Colliding Steel Spheres

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Explore the science of car crashes at classroom.iihs.org Featured Products Newton’s Cradle is a popular device that shows the energy transfer between moving...

Centripetal Force Demonstrated With a Twirling Tray
Centripetal Force Demonstrated With a Twirling Tray

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Explore the science of car crashes at classroom.iihs.org The swinging bucket of water has been a teacher favorite for centuries. Teachers typically swing...

7 Energy and Momentum Demos That Will  Engage Your Students!
7 Energy and Momentum Demos That Will  Engage Your Students!
Aside from the Newton’s Cradle and the Faith in Physics pendulum, there are not very many well known energy and momentum demonstrations. In this video and article I write to resolve this. I have especially focused on energy because those...
Top 10 Physics Demos You're Not Doing!
Top 10 Physics Demos You're Not Doing!
This video is a collection of demonstrations that are either original or very rare – and you should be doing them. They come from many physics demonstrations that I have developed over the years. Of course, there are more than...
A Better way of Demonstrating Rotational Inertia
A Better way of Demonstrating Rotational Inertia

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Featured Products A Better Way of Demonstrating Rotational Inertia  Have you ever struggled to describe Rotational Inertia to your students? Even worse, have...

Reflection, Refraction, Diffraction & Interference...That's COOL!
Reflection, Refraction, Diffraction & Interference...That's COOL!

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Featured Products Reflection, Refraction, Diffraction & Interference...That's COOL! The Mini Ripple Tank is a great way to address the wave-energy standards and to...

Principia Mathematica: Let's Revisit Newton's Laws
Principia Mathematica: Let's Revisit Newton's Laws
Newton’s Principia Mathematica, the book published in 1687, contains Newton’s three laws of motion. Most people think he wrote it to explain forces on blocks, falling stones, and pulleys. But that’s not true. The purpose of the book was to...
Calories From a Heat Pack
Calories From a Heat Pack

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Featured Products Calories From a Heat Pack This article was written with the intention to focus on middle school science experiments, however, I...

Five Demonstrations for the First Day of Class!
Five Demonstrations for the First Day of Class!

Click Here to subscribe to the CoolStuff Newsletter and get notified when our next blog is released. Featured Products Five Demonstrations for the First Day of Class! On the first day of school, it is a good idea to show...

Three Right Hand Rules of Electromagnetism
Three Right Hand Rules of Electromagnetism

Click here to subscribe to our CoolStuff Newsletter and get notified when the next blog is released. Featured Products Three Right Hand Rules of Electromagnetism Teaching electricity and magnetism is complicated by the challenge that the magnetic forces are perpendicular...

The Physics of a Roller Coaster Loop
The Physics of a Roller Coaster Loop

Click here to subscribe to our CoolStuff Newsletter and get notified when the next blog is released. Featured Products The Physics of a Roller Coaster Loop Each year millions of people will visit amusement parks in order to ride some...