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 Physics Demos You're Not Doing!
Top 10 Physics Demos You're Not Doing!
Check out these ten original or very rare demonstrations that you should be doing. They cover many concepts so be sure to check out this CoolStuff post.
A Better way of Demonstrating Rotational Inertia
A Better way of Demonstrating Rotational Inertia
In this CoolStuff blog, you'll find an easier way to demonstrate the concept of rotational inertia using the Rotational Inertia Demonstrator.
Reflection, Refraction, Diffraction & Interference...That's COOL!
Reflection, Refraction, Diffraction & Interference...That's COOL!
Use the Mini Ripple Tank to address the wave-energy standards and to teach about the properties of waves by showing how water waves behave.
Principia Mathematica: Let's Revisit Newton's Laws
Principia Mathematica: Let's Revisit Newton's Laws
Many people believe Newton’s Principia Mathematica was written to explain forces on blocks, falling stones, and pulleys. But that’s not true. Find out it's true purpose in this article. 
Calories From a Heat Pack
Calories From a Heat Pack
The heat pack is a convenient way to warm up your hands, but it also can provide a good lesson in physical science. Observe the unique applications of a heat...
Five Demonstrations for the First Day of Class!
Five Demonstrations for the First Day of Class!
Want to set the tone for the class on the first day? Check out five fun, but simple, demonstrations.
Three Right Hand Rules of Electromagnetism
Three Right Hand Rules of Electromagnetism
Don't let errors prevent you from teaching electricity and magnetism. Let us all be “right” and use the three right-hand rules described in this CoolStuff post.
The Physics of a Roller Coaster Loop
The Physics of a Roller Coaster Loop
There is so much physics going on in the loop of a roller coaster. In this post, Use a Hot Wheels Track to collect Angular velocity, centripetal acceleration, conservation of...
Demonstration of The Photoelectric Effect!
Demonstration of The Photoelectric Effect!
Learn about the discovery of the photoelectric effect and how easily it can be demonstrated.
Powering Imagination and Creativity OneCar at a Time
Powering Imagination and Creativity OneCar at a Time
OneCar is a comprehensive STEM program that allows students to explore mechanics, energy, and motion in exciting ways. In this post, we create a few versions of the OneCar with...
Cool Stuff Demos with Violet Lasers
Cool Stuff Demos with Violet Lasers
The Violet Laser Pointer has a stunning blue-purple glow at 405 nm and is perfect for teaching and demonstrating all about fluorescence, spectroscopy, and microscopy.
Air Powered Projectile: An In-Depth Look
Air Powered Projectile: An In-Depth Look
One of the best ways to engage your students in the study of projectile motion is with direct experiment and observation. In this post, we use our air-powered projectile and five experiments...
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