Curated Video
Delta
A geographical feature formed where a river reaches the sea or other large body of water into which it empties. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Professor Dave Explains
Wave Mechanics
Surf's up, dudes! Somehow ocean waves got the illustrious honor of being simply called "waves", but there are tons of other kinds of waves, like light and sound. How do they work? We gotta know this stuff! Let's learn about waves together.
Professor Dave Explains
Angular Motion and Torque
More spinning things! Records, and wheels, and doors, and other fun things. The equations that govern this kind of motion are just like the ones we learned in kinematics, except they have different symbols. Lots of funky Greek letters in...
Curated Video
Calculating the Constant Rate of Change
In this video, the teacher explains how to calculate the constant rate of change in a linear function using the four representations of a function: verbal, algebraic, numeric, and graphical.