PBS
When We Took over the World
Exactly how did humans become the top of the food chain? Follow archeologists through an analysis of the fossil records during a video presentation from the PBS Eons series. The ancient artifacts trace human evolution from Africa to the...
Bite Sci-zed
Theory vs. Scientific Theory
Why do people have scientific theories but not scientific facts? A quick video presentation defines scientific theory and the components necessary for developing a theory. The presenter emphasizes the difference between scientific proof...
Bite Sci-zed
DNA Extraction!
Extracting DNA is probably easier than pupils think! A quick video demonstrates one method of extracting an individual's DNA. The presentation shows each step of the process as well as the results.
Bite Sci-zed
DNA and RNA, A Nucleic Acid Primer!
Every single cell in the human body is packed with genetic material! A video presentation provides a thorough overview of the components of this genetic material. An engaging instructor defines DNA and RNA and discusses its structure and...
Bite Sci-zed
Why Red Blood Cells Look Like Donuts
There are specific reasons for the intricate anatomy of the body, and the shape of the red blood cells is no exception! A video presentation explains the role of red blood cells and why their shape is important to function. The...
PBS
When We Tamed Fire
Was the first use of fire intentional or accidental? Although the answer to the question may never be known, we do know that the discovery of fire was a turning point in humans' evolution. Explore the history of fire use and its...
PBS
When We First Made Tools
The origin of technology began when early hominins began using tools so they could eat more easily. A video lesson presents the fossil evidence of tool usage of the ancestors of humans. Although tools began very simple, their evolution...
PBS
When Giant Scorpions Swarmed the Seas
Bigger and faster is not always better! Explore the characteristics of the ancestors of the current scorpions with an intriguing video. Scholars learn the connections of these changes to the environment of the different time periods.
PBS
The Evolution of the Heart (A Love Story)
Not all hearts are the same, but their functions are similar. An instructor discusses the origin of the first organisms with a heart in a video lesson from the PBS Eons series. The lesson includes discussion of the evolution of the...
PBS
The Island of Shrinking Mammoths
We've heard about pygmy pigs—why not pygmy mammoths? Fossil evidence proves their existence, but the dilemma is figuring out where they lived. A video describes different theories on their evolution and migration.
PBS
The Humans That Lived Before Us
You may struggle to find similarities between humans and many of our ancestors. Fossil evidence finds more and more signs of similarities between humans and many other species. A lesson outlines the fossil evidence and the questions...
Corbett Maths
Metric and Imperial Units
A speed limit sign in Europe might be misleading if you don't understand different unit systems. A video presentation describes measurement units for length, mass, and capacity to help viewers differentiate between them. The...
Corbett Maths
Metric Units for Length
Powers of 10 are the key! Individuals learn how to convert units of length using the metric system in a video lesson. The presenter uses a visual reference to help scholars decide when to multiply or divide and by what power of 10.
Mathispower4u
Graphing by Finding Intercepts
There's more than one way to graph a line. A video presentation explores graphing linear equations by finding the intercepts. After explaining the concept of an intercept and how it relates to its coordinates, the presenter demonstrates...
Corbett Maths
Converting between Metric Units for Area
If one meter is 100 centimeters, how many square centimeters is equal to one square meter? Hint: the answer isn't 100! How many pupils make this mistake? A video lesson calculates the conversion factor of the common metric area units....
Corbett Maths
Metric to Imperial Capacity
From pints to milliliters or gallons to liters, a conversion is just one operation away. Using a series of examples, a lesson presentation demonstrates how to convert standard and metric units of volume. After the presentation,...
Corbett Maths
Metric to Imperial Length
Metric and standard units both have their place. Scholars learn to convert between the two systems of units using a helpful video lesson. The narrator demonstrates conversions between metric and standard units of lengths. Once...
Corbett Maths
Metric Units for Mass
Don't make conversions a tonne of work! Use the quick video lesson to demonstrate conversions between grams, kilograms, and tonnes. Learners then use the practice problems to master the concept.
PBS
How Blood Evolved (Many Times)
Red, purple, green, blue, and white are all colors of ... animal blood! Young scholars learn about the evolution of animal blood over time in a video lesson from a comprehensive Eons series. They learn that not only has the color...
PBS
When Humans Were Prey
A quarry worker in southern Africa discovered the first fossil evidence that the human species originated on the continent less than 100 years ago! Evidence from the specimen indicates the first humans were not the hunters—but the prey....
PBS
When Camels Roamed North America
Camels thrive where other animals can't survive! Interestingly enough, the camel didn't originate in the desert, but rather the rain forest. Part of an extensive PBS Eons playlist, a video presentation follows the migration and...
PBS
When Birds Stopped Flying
Flight seems like an important adaptive advantage, so why did some birds lose their ability to take to the skies? A video from the PBS Eons series explains the evolutionary paths of different species of birds while emphasizing the...
Corbett Maths
Converting Imperial Capacity
Do your classes know how many pints are in the gallon of milk in their
fridges? A video presentation explains the conversion factor between
pints and gallons and demonstrates how to convert between the two
measurements. Learners then...
Corbett Maths
Converting Metric Units for Volume
The capacity for learning is great. Develop the conversion factors for metric capacities with a video presentation. The lesson narrator describes the origin of the factors and then shows how to convert between metric volume units.