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
How Sloths Went from the Seas to the Trees
Discover the versatility of the sloth species—at least what it once was! Scholars examine the history of the evolution of the sloth in a segment of the PBS Eons series. They learn that the current-day view of the sloth is one of a...
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...
TED-Ed
How to Stay Calm under Pressure
Practice doesn't always make perfect. Pupils watch a four-minute video to learn about the concept of choking during a performance. Next, they answer multiple-choice and open-ended questions about the content in the video. Scholars can...
Mathispower4u
Midpoint of a Segment (Example)
Finding the midpoint is as simple as finding the middle. Given a graph of a segment, a video tutorial demonstrates how to find the midpoint. The instructor uses the midpoint formula and then reinforces the calculations with the graph.
TED-Ed
Why Can't Some Birds Fly?
Back in the day, all birds had the ability to fly. Why would evolutionary adaptations take that away from some species? A video presentation discusses the cost of having the ability to fly and why that feature may not be ideal for...
TED-Ed
Why Is Meningitis so Dangerous?
Meningitis is scary and life-threatening—but preventable. Learn the science behind the disease and how to prevent contraction in a three-part lesson. Scholars first view a video describing the characteristics of meningitis and how people...
Nature League
Life in Missoula, Montana - Field Trip
Many who enjoy YouTube science videos recognize Brit, the host, from her previous work on SciShow. Learn more about her many science degrees and why she started her show. Brit shares the area she where she currently lives and...
Nature League
Biodiversity and Complex Life Forms - From A to B
When determining intelligence in animals, scientists use a variety of tests that reveal the animal's ability to use tools, recognize themselves, and communicate. The final video in the Biodiversity series explores why some species, such...
Nature League
What is Biodiversity? - Lesson Plan
The first video in a four-part series on Biodiversity addresses the three levels of biodiversity from genes to ecosystems. Then, it details the three dimensions and the three uses for biodiversity.
Nature League
Why Are Animals Getting Smaller? - From A to B
Many believe dinosaurs were much larger than animals of today, but even the biggest dinosaur was only half the size of the average adult blue whale. Understanding why animals appear to be getting smaller starts with a discussion of...
Nature League
Adaptations at Animal Wonders - Field Trip
The word camouflage was first found use in English in the 1917 edition of Popular Science magazine. Camouflage, along with many other variations, star in the second video in a four-part series about adaptations. Join the virtual...
California Academy of Science
Sustainable Seafood
Memory, brain health, and seafood often go hand in hand, but is eating fish good for the planet? The third video in a four-part series on Health Oceans explains which fish consumers need to avoid and which are safe to consume without...
Nature League
Predicting Future Humans - From A to B
What adaptations would equip humans for the future? The fourth video in a series on Evolution and Speciation challenges viewers to think about the future adaptations of humans. They consider the impact of screen time, common injuries,...
Nature League
Exploring Evolution and Speciation - Lesson Plan
The first video in a five-part series on Evolution and Speciation introduces four types of evolution and addresses common misconceptions. In addition, viewers learn about topics current understanding of science does not fully explain.
Mathispower4u
The Distributive Property
Where would the math world be without the distributive property? Young scholars learn to apply the distributive property as they view a video tutorial. The instructor begins with an explanation of the property and then completes several...
Corbett Maths
Algebraic Notation
Algebraic vocabulary and notation sometimes seem like a foreign language. A video tutorial breaks down the vocabulary and notation into easy-to-understand chunks. The narrator writes the notation with symbols, in words, and verbalizes...
Corbett Maths
Forming Algebraic Expressions
Turning words into numbers and symbols sounds like the art of writing an algebraic expression. Young scholars first observe a lesson presentation outlining strategies for writing expressions. They then use one of the included worksheets...
Corbett Maths
Laws of Indices
Laws are meant to be followed, and laws of exponents are no exception! A video presentation outlines the laws of exponents and then provides an example of each. After watching the presentation, learners practice with the included resources.
Mathispower4u
Find the Area of a Rectangle Given the Perimeter (Example)
Use one-dimensional calculations to make them two-dimensional. An application question provides a perimeter and a relationship between the length and width of a rectangle. The video tutorial demonstrates how to write an equation for...
Anywhere Math
Box-and-Whisker Plots
Whiskers are more than just a cat facial feature! Learn how the whiskers of a box-and-whisker help make conclusions about a data set. An instructor first explains how to create a box-and-whisker and then how to read it. Several examples...