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.

Kinetic Energy and Velocity
Kinetic Energy and Velocity
Walk through an introductory physics lab that allows students to develop a model for the relationship between an object’s kinetic energy and velocity.
Forces and Motion
Forces and Motion
This CoolStuff post describes an introductory physics lab that allows students to develop a model of the relationship between an object’s acceleration and its mass using Newton’s 2nd law of...
Understanding the Relationship Between Mass and Weight
Understanding the Relationship Between Mass and Weight
Utilize a modeling method to help students differentiate between Mass and Weight
Representing Motion (Constant Velocity)
Representing Motion (Constant Velocity)
An easy way to introduce students to some of the different representations of motion is to have them investigate the motion of a Constant Velocity Car.
Demonstrating The Fundamentals of Electric Circuits
Demonstrating The Fundamentals of Electric Circuits
Create various circuits that cover the conservation of charge, the conservation of energy, the flow of current, and the concept of voltage.
Kinetic Energy Demonstrated With Newton's Cradle & Colliding Steel Spheres
Kinetic Energy Demonstrated With Newton's Cradle & Colliding Steel Spheres
Explore illustrations on how Newton's cradle utilizes the conservation of energy. These demonstrations allow for students to engage with the conversion of kinetic energy and visualize it in memorable way!...
Centripetal Force Demonstrated With a Twirling Tray
Centripetal Force Demonstrated With a Twirling Tray
When a bucket of water is swung in a horizontal circle will the water spill out of the bucket? View the concept of Centripetal Force on this CoolStuff Blog post.
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...
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. 
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