Corbett Maths
Equation of a Tangent to a Circle
Don't go off on a tangent—let the video do the talking! A video lesson demonstrates how to write the equation of a line tangent to a circle given the point of tangency and the equation of the circle. The instructor explains both a...
Corbett Maths
Quadratic Graphs: Completing the Square
What does a square have to do with a quadratic function? Young scholars learn that completing an algebraic square is helpful when graphing the quadratic functions. The video instructor demonstrates rewriting quadratic functions in vertex...
Corbett Maths
Composite Functions
Turn pupils into composers as they create composite functions. A video lesson presents the process of creating composite functions. The narrator focuses on linear and quadratic functions in the examples and includes substituting a...
Corbett Maths
Inverse Functions
The opposite operations in the opposite order create the inverse of a function. A video demonstration explains the algebraic steps in creating inverse functions from different types of functions. The examples include linear, rational,...
SciShow
The Hunt for Water on the Moon
What is the probability of finding water on the moon? It seems it is pretty high, but the difference between finding it and keeping it are two very different things. A video lesson takes a trip through history discussing the many...
SciShow
Pluto: Still Not A Planet
Jupiter's magnetic field is 20,000 times that of Earth's. An awareness of the strenght of Jupiter's magnetic field is just one of the challenges engineers face when designing spacecraft to visit Jupiter and its moons. Learn more about...
SciShow
How Moon Rocks Revolutionized Astronomy
The solar system is more than 4.5 billion years old. What we know about the age of space bodies is thanks to the moon rocks collected over 50 years ago. An episode of the SciShow Space series breaks down the concept of relative dating to...
SciShow
How Do We Know What the Milky Way Looks Like?
Imagine describing what something looks like when you've only seen it from the inside. That's the task astronomers tackle when describing the shape and characteristics of the Milky Way. Using a combination of physics and mathematics,...
SciShow
A Tribute to John Glenn
Don't miss an out-of-this-world tribute to the life of John Glenn, the first astronaut to orbit Earth. The mission itself was not smooth sailing. An interesting video shows viewers how Glenn had to think on his feet to ensure the success...
SciShow
The Apollo Program's Loneliest Astronauts
Supporting roles may not be as recognized—but they are no less important! Watch as an installment of the SciShow Space series explains the supporting roles on the Apollo missions. Without these role players, the Apollo missions...
SciShow
New Clues to the Structure of the Universe
Evidence suggests that Pluto has undergone polar wander. A video instructor explains how Pluto's axis of rotation may have changed and how this is possible. The lesson focuses on the science behind the discovery and what it tells...
PBS
Why Megalodon (Definitely) Went Extinct
From the top of the food chain to extinction, follow the life of the megalodon! An episode in the PBS Eon series describes the evolution of the ancient species and its eventual extinction. The narrator discusses the fossil evidence and...
PBS
When Sharks Swam the Great Plains
Would you believe the Midwest region of the United States was once the Western Interior Seaway? An interesting presentation from the PBS Eons series describes the geography of the ancient seaway and the species that lived there. The...
PBS
Your Place in the Primate Family Tree
Your family get-togethers are about to become more interesting! A video lesson in the PBS Eons series describes the primate family tree that leads to the one and only—homo sapiens. Discover the fossil evidence that leads scientists to...
PBS
When Giant Amphibians Reigned
Take an evolutionary journey as an ancient amphibian. A lesson from a PBS series describes the features and evolutionary sequence of a large amphibian group, the Temnospondyls. Although extinct over 210 million years ago, many...
PBS
Can We Get DNA from Fossils?
Just how long can a fossil preserve DNA? It seems that DNA becomes unreadable after about 6.8 million years. Learn about the science that helped make this conclusion and the mistakes made along the way in a lesson from a PBS Eons video...
Crash Course
Marie Curie and Spooky Rays: Crash Course History of Science #31
Marie Curie overcame limitations to become the first person to win two Nobel Prizes. A video presentation outlines her work and discoveries in radioactivity. The narrator gives a timeline of her achievements as she sacrificed her...
SciShow
The Hottest Planet Ever
Have you ever wanted to visit the sun? While that's not an option given the temperatures involved, use a SciShow Space video to learn about the probe headed to the sun to help people understand a few things that confuse scientists. The...
SciShow
How Studying Venus Saved Earth
Scientists discovered a hole in the ozone layer in 1980, and by 2000, the hole was three times the size of the United States. Through global efforts, scientists discovered the cause and worked together to get countries to implement a...
SciShow
Could Life Have Survived in Mars's Ancient Lake?
Scientists proved Einstein wrong and in the process also proved him right. Scholars learn about two recent scientific discoveries in an interesting SciShow Space video. The first describes the possibility of life on Mars based on recent...
SciShow
What Studying Earth Can Tell Us About Life on Mars
Most research about life on Mars actually happens on Earth. An installment of the SciShow Space series introduces young scientists to the process of learning about one planet by studying our own. They observe photos of the similar...
Howard Hughes Medical Institute
DNA Transcription (Basic Detail)
A double helix looks similar to a curled zipper. Viewers see transcription, which appears similar to unzipping the DNA. The basic level of detail works well as an introduction to transcription, RNA, and proteins.
Veritasium
Epic Slow-Mo Drum Implosions!
Slow motion effects add a dramatic influence to a lesson on atmospheric pressure. A video presentation explores characteristics of atmospheric pressure through experimentation. A large imploding drum demonstrates the effects of air...
Veritasium
How Long Will You Live?
Cells only divide a specific number of times before they die at the end of the division cycle. This molecular clock is the culprit of aging. A video explores the concept with a trip to New York to discuss the phenomenon with a leading...