MinuteEarth
The One That Got Away (Size Matters)
Teach a man to let the big fish go and feed him for many lifetimes to come! An engaging video describes the negative effect current fishing regulations have on fish populations. The lesson outlines the rapid decline in average fish size...
Veritasium
Cathode Rays Lead to Thomson's Model of the Atom
Examine the experiment that led to the present-day atomic model. The video experiment shows the stream of electrons that travel through a vacuum between an anode and cathode. J.J. Thompson's model of an atom provides the explanation...
Veritasium
Galileo the Scientific Parrot
Not all falling objects accelerate at the same rate ... unless you remove air resistance. A video lesson compares a feather falling in the air to one falling in a vacuum. Removing air resistance causes a feather and coin to fall at the...
Veritasium
Ice Cutting Experiment - Introduction
Race copper and fishing line through a block of ice. After establishing the effect of pressure on melting points, the instructor experiments with two different substances. Ultimately, the better conductor melts the ice faster.
Veritasium
Does Pressure Melt Ice?
Explore regelation of ice through a video demonstration. Applying pressure to a block of ice with a wire lowers the melting point and causes the ice to melt. As soon as the wire passes through, the water returns to its solid state as ice...
Veritasium
Fire Syringe
Compressing air quickly causes extreme increases in temperature. A video lesson demonstrates this principle through the use of a fire syringe. The instructor uses a plunger to increase the pressure in the syringe, which ignites a piece...
Veritasium
Imploding Drum
We are all under approximately 22,000 pounds of pressure! A video lesson explains the concept of pressure equilibrium and then demonstrates the effect of disturbing that equilibrium. A dramatic demonstration shows how to reduce the...
Veritasium
Making SOLID Nitrogen!
Have you ever seen solid nitrogen? Or solid carbon dioxide? Watch as a pair of instructors adjust pressure to allow liquid nitrogen to solidify. After they finish, they put the solid nitrogen in water which produces carbon dioxide gas...
Veritasium
Make Plasma with Grapes in the Microwave!
Capture plasma in a plastic cup! Two scientists demonstrate how to create plasma by microwaving a grape. They capture a ball of plasma during their final demonstration. The video highlights strategies and procedures to make the...
Veritasium
What's In A Candle Flame?
A candle flame is a good conductor of electricity. An engaging video lesson demonstrates this phenomenon with an experiment. Following the experiment, the instructor explains the science and provides additional evidence to reinforce the...
Veritasium
Levitating Barbecue! Electromagnetic Induction
Who says you shouldn't play with electricity?! Investigate Faraday's Law of Induction through a video demonstration from his hometown. The lesson shows an aluminum plate levitating from the magnetic fields created by electric currents....
MinuteEarth
Why Does Wine Make Your Mouth Feel Dry?
Examine a plant adaptation that deters animals from eating it. Some plants such as grapes, walnuts, and teas produce a chemical substance called tannin in its fruits and leaves because most animals dislike the texture and flavor. An...
MinuteEarth
Why Are Leaves Green? Part 2
Examine the role of chlorophyll in the process of photosynthesis. An interesting video lesson helps learners understand the efficiency of green chlorophyll as it creates energy for a plant. Although 99.9 percent of plants use green...
MinuteEarth
The Secret Social Life of Plants
Who knew plants can communicate? An interesting video shows how plants communicate with insects and other plants. The instructor gives many examples including mimicry, parasitism, and self-defense.
MinuteEarth
The Real Reason Leaves Change Color in the Fall
Discover the chemistry behind the color change in leaves. The lesson narrator describes how trees must recycle nutrients in the leaves before they fall off for the winter. The video breaks down the process and highlights the chemistry of...
MinuteEarth
Why It Sucks to Be a Male Hyena
Male hyenas are not laughing! The species probably doesn't find it funny that they always hold the lowest status in their packs. An intriguing video lesson explains how this comes about and the negative impact on these animals.
MinuteEarth
Why Don't Sled Dogs Ever Get Tired?
What is the sled dog's secret to running for days on end without tiring? Turns out the answer is in their metabolism. Explore the metabolic processes of these amazing sled dogs. The science shows they are able to burn their proteins and...
MinuteEarth
Why Is a Group of Crows Called a “Murder”?
Fifteenth-century hunters used a unique vocabulary to describe the groups of animals they hunted. The video lesson shows many of these informal names. It turns out the names may not be official, but many people use them, including...
MinuteEarth
Ambergris: Why Perfume Makers Love Constipated Whales
Does perfume really contain whale excrement? Only the most expensive varieties! An intriguing video lesson explains the origin of the ambergris ingredient through a tour through the sperm whale's digestive system. Scientists only...
FuseSchool
Equation of Parallel Lines
Analyze patterns in equations of parallel lines. Building on previous knowledge of parallel lines and writing linear equations, learners watch how to create an equation of a line parallel to a given line. The video emphasizes the...
FuseSchool
Equation of a Circle
Explore the equation of a circle by examining its key features. A thorough video lesson compares the equation of a circle to its graph by isolating the center and radius. After presenting the standard form of the equation, learners...
FuseSchool
Finding the Equation of a Line Through 2 Points: Part 2
Reinforce your young mathematicians' linear equation-writing skills. A video lesson does a nice job explaining the steps of writing the equation of a line when given two points. It begins by giving scholars a problem to try on their own...
FuseSchool
Finding the Equation of a Line Through 2 Points: Part 1
Demonstrate how to write a linear equation knowing only two points that it passes through. A straightforward video lesson introduces the gradient (or slope) formula to begin writing the equation. Then, using substitution, viewers find...
FuseSchool
Quadratic Graph—Roots and Y-Intercept
Build a connection between the equation and graph of a quadratic function. A thorough video lesson demonstrates how to use find the roots and y-intercept of a quadratic function and create a graph from the three points. The instructor...