Learn about Rigel -- one of the brightest stars in the universe -- with this Stars Song by KLT!

Dr. Algae and your student focus on exercise number 4 of The President’s Fitness Challenge, the endurance walk/run. He then provides information to get the student prepared for the mile run.

UC San Diego linguist Carol Padden describes how, while we now recognize that gesture and sign language are structurally very different, linguists are now carefully examining how gesture might have originally given rise to sign languages.

Linguist Carol Padden (UC San Diego) describes how recognizing the difference between gesture and sign language shouldn’t prevent us from investigating how gesture helps brings languages into being.

Alexa conjugates the French verb comprendre (to understand) in the present tense.

This video illustrates the sequence that a geometric figure takes through a transformation. Transformations may include translations, reflections, and/or rotations.

Universal Law of Gravitation explores Newton’s Universal Law of Gravitation by defining and providing examples.

Learn about Bernardinelli–Bernstein Comet with the Bernardinelli–Bernstein Comet Planet Song by the KLT

In this video, the teacher explains how to find the volume of a cylinder using its radius and height. They guide the viewer through the steps, including identifying the radius and height, and using the formula πR^2h to calculate the...

In this video, the teacher explains the concept of finding the opposite of a number on a number line. They guide the viewers through the process of plotting a point to represent the opposite of -7.



This video covers grade 6...

From ancient civilizations to modern breakthroughs, learn about the nine most important cosmic discoveries that changed the way we look at our Sun, Moon and beyond. Learn how Copernicus challenged the status quo, Kepler unveiled the...

The Sun identifies the sun as one of many stars that exist in the universe by recognizing that the sun appears to be the largest star in the sky because of how close it is to Earth in relation to other stars.

Find the absolute value of a number by using a number line.

Students will learn various lighting techniques for a variety of cinematic uses.

“Real-World Perimeters” demonstrates how to solve real-world word problems involving perimeter.

The video “Review: Area and Perimeter” reviews the terms perimeter, area, length, and width and reviews how to find the perimeter and area of a square and a rectangle.

What is postmodernism? This is certainly my most requested What the Theory? video yet. In it, I hope to provide an introduction to postmodernist theory and postmodernist philosophy. Along the way, we'll look at simulacra and...

SETI (Search for Extraterrestrial Intelligence) astronomer Jill Tarter describes how we use technology as a proxy for potential alien intelligence, and how our search involves looking for signals that nature doesn't make on her own.

Nobel Laureate Roger Penrose (Oxford) gives a brief introduction to conformal space and how it can be used to represent space-time infinities.

Astrophysicist Scott Tremaine, Institute for Advanced Study, gives the example of the particularities of our solar system to describe a common problem of astronomy and some other fields in the NS: determining whether what we see around...

A video entitled “Variance and Standard Deviation” which describes ways that variance and standard deviation are used as measures in the real world.

Season 3, Humpback Whale part 4

A whale expert introduces Kamil and Kayne to a high-powered device that measures the distance of whales from their location. They enlist the help of a drone to get a better view of the whales....

Learn about the Goldilocks Zone aka the Habitable Zone where a planet like Earth is able to have liquid water and sustain life as we know it with this song by KLT

A video entitled “Velocity” which defines the term velocity and shows how velocity is measured by examining the equation used to solve for its value.