PBS
When Fish First Breathed Air
Many species find breathing a convenient way to survive. The PBS Eons series explains how fish learned to breathe air. It details what scientists know about evolutionary history as well as many species that developed this skill...
PBS
Arthropod Animation: Scorpion Book Gills
Gills extract oxygen from water and send it to the blood stream while removing carbon dioxide and sending it back to the water through these feather-like features. View an animation of scorpion gills, called book gills, by first peeling...
Howard Hughes Medical Institute
Lactose Digestion in Infants
Milk meets every single nutritional need for a baby in the first six months of life. Observe how an infant's small intestine breaks milk lactose down into a usable form of nutrition. With the help of an animation, viewers see the process...
PBS
Sponge Animation: Wild Ride Through a Sponge
Sponges filter many times their body volumes in water every hour with no breaks. Viewers find themselves being swept inside a sponge to observe the filtering process from the inside. They view the canals, the feeding cells, the spicules,...
PBS
Sponge Animation: Spicules
Many people think of sponges as being soft, but that's not the case in the ocean. Viewers learn about the sponge skeleton made of hard crystal material. They observe the many unique shapes and understand how scientists use these shapes...
PBS
Molluscs: Blue-Ringed Octopus Warning Coloration
What animal is only eight inches long and can easily kill an adult human? The blue-ringed octopus changes body color before neutralizing any threat, human or not. Observe the drastic changes to body color in a short video.
Corbett Maths
Fractional Equations
Don't let those fractions scare you! A video lesson describes how to solve equations with fraction terms. Beginning with integer denominators and progressing to denominators with linear expressions, the examples illustrate the steps to...
Corbett Maths
Sketching Quadratics
Sketch the graph of quadratic functions using key features as a guide. After a brief discussion about the key features of a parabola, the video instructor completes several examples showing how to graph a quadratic function. Each...
Corbett Maths
Finding the Equation Passing Through Two Points
What's the quickest way to get from point A to point B? A straight line, of course! Young scholars learn to write the equation of this line as they watch a video lesson. They then have the opportunity to deepen their understanding using...
Corbett Maths
Drawing Graphs Using Xy Tables
What does a linear equation look like in a table? A video lesson practices graphing linear equations by making an input-output table. The instructor emphasizes the pattern in the table and relates that to the graph of the function.
Common Sense Media
What is Twitch?
Young gamers are itching to use Twitch! Learn more about a popular online gaming community website through a short digital citizenship video. Topics include Twitch content, following fellow gamers, and monitoring explicit language and...
Cisco
Episode 2.5: The Business Plan
Sometimes helping communities after a natural disaster requires a solution of monstrous proportions! The fifth episode in a seven-part shows scholars how the Problem Solvers rise above climbing waters by enlisting the help of monster...
Cisco
Episode 2.2: The Problem
School's out ... forever? Episode two in a seven-part Global Problem Solvers series follows the team as they touch down in hurricane-ravaged Tampa. After meeting with a local principal and teacher, the group begins to formulate a plan to...
Cisco
Episode 1.6: Test and Retest
When it rains, it pours! Episode six in a seven-part Global Problem Solvers series explores the challenges brought upon the team as Malawi enters its rainy season. Two problem solvers visit a local institute to get assistance in...
Cisco
Episode 1.4: The Technology
What happens when the plan just won't come together? Get a bigger team! Episode four in a seven-part series featuring the Global Problem Solvers examines what happens when young leaders run into a road block when implementing new...
Corbett Maths
Solving Equations with Letters on Both Sides
Demonstrate the steps of solving linear equations—this time with variables on both sides! A video presentation completes several examples with binomials on each side of the equation. Learners then complete the included practice...
Corbett Maths
Equations – Cross Multiplication
Mastering the art of solving a proportion is not only important for algebra, but it's crucial to geometry and statistics as well. A quick video demonstrates the use of cross multiplication to solve a proportion. The lesson includes...
Corbett Maths
Solving Equations
Go from one-step to two-step with all operations represented! A video instructor presents worked-out solutions to several linear equations. He begins with one-step equations and progresses to two-step equations requiring the distributive...
Corbett Maths
Solving Quadratics Graphically – Advanced
Use an understanding of equality to find solutions of quadratics graphically. A well-designed lesson illustrates the relationship between the right and left sides of an equation graphically. With one side quadratic and the other side...
Corbett Maths
Solving Quadratics Graphically
One of the many methods of solving quadratic equations is graphing. A video lesson first demonstrates graphing a quadratic function using an input-output table. After graphing the parabola, the instructor makes the connection between the...
Corbett Maths
Deriving the Quadratic Formula
Formulas don't appear from thin air! Learn how to derive the quadratic formula by completing the square. As the video instructor demonstrates each step of the derivation, the quadratic formula begins to emerge until it is complete in the...
Corbett Maths
Quadratic Formula
When all else fails, use the quadratic formula! A video lesson introduces the quadratic formula to scholars and then demonstrates two problems. One problem results in integer solutions, the other in irrational solutions.
Corbett Maths
Solving Quadratics by Factorising
Factoring is a quadratic equation's best friend! If a quadratic equation factors, finding the solutions is quick and easy. A complete lesson on factoring describes the steps to factor and solve quadratic equations. The equations have...
Corbett Maths
Drawing Quadratics
Map the input to the output and see what pupils create. The video lesson provides an introduction to graphing quadratic functions using an input-output table. The instructor shows each step of the calculations when evaluating the function.