Mathispower4u
Write a Numerical Expression in the Form a-b and a(b+c) (Example)
To add or subtract ... how do you make the decision? The video instructor explains the process of writing a numerical expression from a verbal expression. While writing the expressions, he provides explanations for his decisions.
TED-Ed
How to Find the True Face of Leonardo
Illustrator Siegfried Woldhek describes how he analyzed over 700 of Leonardo's works in order to determine an image of the face of the famed Renaissance man. Try flipping the lesson and adding your own assessment and discussion...
TED-Ed
Population Pyramids: Powerful Predictors of the Future
Here is a very interesting visual for analyzing a country's shift from a pre-industrial society to one with an industrial or post-industrial economy. The video explains how a population pyramid is used to track a country's...
TED-Ed
The Danger of Science Denial
"Everyone is entitled to their own opinions... but they're not entitled to their own facts." Michael Specter, a well-respected science and technology journalist, speaks eloquently about modern attitudes toward science and progress and...
TED-Ed
The Power of Creative Constraints
Lucky you has been assigned with a creative task. There are no limitations, no rules, just endless possibilities. But where do you start? If such a project leaves you feeling paralyzed, watch a video that demonstrates the power of...
TED-Ed
What Makes Tattoos Permanent?
How can tattoos be permanent if humans shed over one million skin cells per day? Here's a short, animated video that answers this essential question and provides everything you want to know about the history of tattooing, tattoos...
TED-Ed
The Power of a Great Introduction
How do you create a great introduction to a literary analysis? Why, you write it last, of course. The narrator of a short video on crafting a great introduction suggests tackling the introduction after you have crafted your thesis,...
TED-Ed
How Does the Nobel Peace Prize Work?
What do Juan Manuel Santos Calderon, the Tunisian Nation Dialogue Quartet, Barrack Obama, Bertha Von Suttner, and Malala Yousafzai all have in common? Each of these remarkable individuals is the winner of the Nobel Peace Prize. But...
Crash Course
Interest Groups: Crash Course Government and Politics #42
Have you ever wondered if those in power actually consider the interests of their constituents? The 42nd video clip in a 50-part series on the United States government and politics introduces the concept of special interest groups....
TED-Ed
Not all Scientific Studies are Created Equal
Sample size and controls are features of the scientific inquiry process that are discussed in this quick-paced quip. A comparison is made between randomized clinical trials and epidemiological studies. Terms such as placebo,...
TED-Ed
What Are the Challenges of Nuclear Power?
Engineering challenges, construction costs, and disasters are some of the challenges when it comes to nuclear energy. Watch a video that explains each of these and more in detail.
TED-Ed
The Weird and Wonderful Metamorphosis of the Butterfly
How does a caterpillar become a butterfly? Watch a video that details the metamorphosis of a butterfly, and discover a world of insects that also undergo metamorphosis.
TED-Ed
A Rosetta Stone for the Indus Script
Imagine traveling 4,000 years into the future to a time when all knowledge of the English language has been lost. Computational neuroscientist Rajesh Rao uses this hypothetical situation to engage the audience as he discusses...
TED-Ed
How Do We Separate the Seemingly Inseparable?
Fractional distillation? Desalination? Chromatography? How is it that stuff can be separated into raw ingredients? And where did the raw ingredients come from in the first place? So many question and a few answers are provided by...
TED-Ed
Can You Solve the River Crossing Riddle?
Getting three wildebeest across a river should be no problem— but what happens when you add three lions to the mix? Watch a video that features a classic river-crossing puzzle with a crocodile twist. Viewers listen as the narrator...
TED-Ed
What You Might Not Know About the Declaration of Independence
Did you know that the Declaration of Independence was signed on July 2, 1776? Did you know that five men, not just Thomas Jefferson, are credited with writing the Declaration? Did you know that references to slavery were excised from the...
TED-Ed
The Chemistry of Cookies
Here is a delicious lesson! While a good portion of the processes presented is more apt for a chemistry class, younger physical scientists will still benefit from, and thoroughly enjoy, viewing this film about what happens when cookies...
Curated OER
What Makes a Hero?
Viewers will love this engaging video, which is an adventure of its own! The narrator begins by relating the hero's journey to modern books, and then introduces Joseph Campbell and his thoughts about the process. As the narrator details...
TED-Ed
How to Sequence the Human Genome
Every human is unique, from our thoughts and actions to our DNA. Scientists spent billions of dollars and over a decade to map the human genome, the sequence of DNA within one human being. Since the project was completed ten years ago,...
TED-Ed
What's the Big Deal with Gluten?
Is gluten-free just a fad? What is gluten anyway, and why can't some of us process it? This is the perfect video to break down the anatomy of gluten and the various diseases and symptoms caused by the notorious protein, as...
TED-Ed
Radioactivity: Expect the Unexpected
Several radioactive concepts are explained with the help of animated atoms, complete with their own facial expressions. As physical science pupils watch, they learn about gaining or losing atomic particles, alpha and beta particles, and...
TED-Ed
How Do We Study Living Brains?
Out of all vertebrates, the largest brain when compared to body size belongs to humans. Studying the working brain presents challenges to scientists. Learn about three of the most common tests used to understand how the living brain...
TED-Ed
What's the Difference Between Accuracy and Precision?
While often used interchangeably, the distinction between accuracy and precision is critical for many scientific endeavors. Discover the importance of consistency for precise results, and the need for accuracy in the field...
PBS
The Science of Taste
Neuroscientists and biologists study how we process our senses and the impact our receptors have on our food choices. The video, part of a food science series from PBS, highlights the nerves used in eating including the taste and...