There is more than one way to measure the same thing! Jessi and her friend The Giant Squidstravaganza (Squid for short) explore the differences between the Metric System and the Imperial System.

In this video Paul Andersen explains how energy can be transferred from one system to another. In a closed system the energy can be transferred as either work or heat. Thermal energy transfer is know as energy transfer through heat....

Mr. Andersen explains the simple principles behind simple machines. He shows how the mechanical advantage of a simple machine can increase the input force. A brief discussion of work is also included.

New ReviewGermans rely very little on body language, although it is still an important part of communication. In general, they consider hand gestures unnecessary. They focus instead on communicating well verbally. Someone who expresses himself or...

New ReviewIn this video, explore different types of routing protocols, such as distance-vector and link-state protocols.

New ReviewThis lesson will teach us an intuitively understandable matrix for how our regression works.

Learn how to calculate gravitational attraction between a point mass and a uniform rod using integration and Newton’s law of universal gravitation—essential for advanced physics students.

This video provides an informative explanation of the concept of focal length in lenses. The instructor begins by clarifying the distinction between focal length and focal distance, emphasizing that focal length refers to the distance...

This video provides an informative explanation of depth of field in photography. It begins by defining depth of field as the areas of an image that appear clear and in focus, and highlights how it can be used to draw attention to...

A video entitled "Slope: Real World" that covers examples of real-world situations that can be modeled using slope.

A video entitled "Sketch Graph of Function" that covers sketching graphs of functions from descriptions of real-world motion.

A video entitled "Examine Unknown Triangles" that covers how to use the distance formula and the converse of the Pythagorean theorem to see if triangles are right triangles.

You will calculate the distance between points in a coordinate plane.

Brief introduction to understanding how to calculate speed of an object from a graph

2 min video describing the correlation between energy and work - middle school science

You will solve real-world application problems modeled by inequalities.

Learn How to Find the Circumference of a Circle AND the Perimeter of a Semi-Circle!* Wait… what’s the difference between circumference and *perimeter*? What’s the best way to remember those circle formulas? And should you use *3.14* or...

Discover the true meaning behind the gravitational potential energy formula U = –GMm/r. Learn how it explains bound systems, escape energy, and why gravitational energy is always negative — all through clear, intuitive reasoning.

Our resident seismologist looks at why the devastating Japan and Ecuador earthquakes are likely not related to each other.

Howcast - Learn how to do a cat pass, aka monkey vault or King Kong vault, in this Howcast parkour video with expert Ann Kaczka.

Howcast - Learn how to throw a punch from kickboxing champion Phil Nurse in this Howcast UFC training video.

Howcast - Learn about car alarms that connect to mobile apps in this Howcast video with expert Movin' On.

Howcast - Learn how to relax your mind from wellness consultant Samantha Ibarguen in this Howcast video.

Howcast - Learn how to teach your dog to stay in this Howcast video with Andrea Arden Dog Training.