American Chemical Society
Do Astronauts Need Sunscreen?
Why don't astronauts all come home with sunburns? It turns out that there are many different sources of radiation exposure for astronauts. A video outlines the radioactive dangers and protective measures astronauts must take.
American Chemical Society
How Is Leather Made?
Leather tanning is a chemical production! Scholars watch as a video outlines the chemistry behind processing leather. The instructor describes the chemical makeup of the leather itself and the structure of the chemicals that preserve the...
American Chemical Society
Why Does Humidity Feel Gross?
Where does sweat go when the relative humidity is 100 percent? Well, there is no place for it to go—that's the point! A lesson on humidity, dew point, and heat index describes how to interpret a local weather report. A video explains the...
American Chemical Society
Can Plastic Be Composted?
Some plastics market as green, but are they really? Turns out, the question is a complicated one. A video lesson describes how these new plastics may have some decomposing properties but need a little boost from industry. The lesson...
American Chemical Society
Fact or Fiction: Uncooked Rice Is Bad for Birds
Rice is made of starches that absorb moisture, but is it enough to be harmful to birds? In true myth-buster form, a video lesson explains the science that disproves the thought that rice is bad for birds. The episode compares the...
American Chemical Society
How to Survive the Snow and Ice
Can you tell the difference between artificial snow and the real thing? An informative video explains the structure of a snowflake crystal, both real and artificial. It finishes with a discussion of the chemistry related to salting...
American Chemical Society
How Does Low-Dose Aspirin Work?
Baby aspirin is a life saver for many adults! A video lesson discusses the effect aspirin has on blood even in low doses. Learners discover how aspirin changes blood clots—a key to preventing medical conditions such as heart attacks and...
American Chemical Society
Why Flamingos Are Pink and Hardcore
They're not just pretty faces! Flamingos may look delicate, but they have adaptations that allow them to survive in areas most other organisms cannot. A video lesson in a larger ACS Reactions series describes how flamingos survive in...
American Chemical Society
How Plastic Recycling Actually Works
Those recycled plastic bottles end up as some pretty interesting things in their second lives. A lesson explains the process of recycling plastic. Scholars learn about the different products of recycled plastic—including t-shirts!
American Chemical Society
What Are Isotopes? Chemistry Basics
Use animations to explain the concept of an isotope. Young scholars view a lesson from the Reaction series dedicated to isotopes. They learn what an isotope is and why they are important to complete a great back-to-basics lesson.
American Chemical Society
Yellowstone Steaming Acid Pools of Death
Although beautiful, Yellowstone Park has some inherent dangers. An episode of a larger Reactions series explains how the volcanic hot springs in the park affect the pH of the water as well as its temperature. Learners make connections to...
American Chemical Society
How Air Conditioning Works
In mid-July, most are thankful for the chemistry of air conditioning. Learn how those chemical processes create the cool air that makes those hot summer months more manageable! A lesson installment describes how an air conditioner uses...
Veritasium
The Best Test of General Relativity (by 2 Misplaced Satellites)
An analysis of launched objects helps scholars understand general relativity in greater detail. These aren't just any launched objects, though! A video presentation describes the gravitation potential energy of satellites in orbit and...
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...
Crash Course
Biomedicine: Crash Course History of Science #34
Track biomedicine advances from the early 1800s to today! Young scholars learn about groundbreaking discoveries in medicine throughout history in the 34th installment of a larger Crash Course History of Science series. The lesson...
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.
American Chemical Society
TV Forensics: What Do CSIs Actually Do?
TV dramas tend to exaggerate the forensic science components. Learn what true forensic chemistry looks like in an installment of a larger series covering reactions. Viewers see that chromatography, mass spectrography, and methodical...
American Chemical Society
How Do We Know the Half Life of Uranium and Can You Collect Gold Once It's Dissolved in Acid?
Participate in a little chemistry Q and A! Part of a larger series on reactions, an informative lesson takes questions from viewers and crafts responses. The video explains how we arrive at an accurate half-life of a radioactive...
Howard Hughes Medical Institute
Coding Sequences in DNA
The purpose of 75% of the human genome letters is still unknown. Is it unnecessary information or does it have a key to important information in human genetics? The lesson animation is a visual reference to the massive amount of...
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.