Crash Course Kids
The Great Aqua Adventure
Water travels... a lot. In fact, the water cycle is amazing and takes water all over the planet by using evaporation, condensation, and precipitation. In this episode of Crash Course Kids, Sabrina shows us how the water cycle works and...
Bozeman Science
PS2C - Stability and Instability in Physical Systems
Paul Andersen explains how physical systems remain stable and unstable over time. The sum total of interactions acting on the system determine its stability. Feedback loops are used to maintain stability but require energy. If the energy...
Bozeman Science
Water and Life
Paul Andersen begins with a brief description of NASA discoveries related to Mars, Mercury and water. He then explains why water is required for life. He finally uses a simulation to show you why water acts as a wonderful solvent and...
SciShow
3 Genes That Give People Superpowers
There are genetic mutations in the population today that can grant people some seemingly superhuman abilities.
Crash Course
Calorimetry: Crash Course Chemistry
Today's episode dives into the HOW of enthalpy. How we calculate it, and how we determine it experimentally...even if our determinations here at Crash Course Chemistry are somewhat shoddy.
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Table of Contents
Hess' Law 2:30
Calorimeter...
SciShow
How Can It Be Too Hot To Fly?
How does heat affect airplanes? Turns out heat, speed and density connect to create dangerous situations.
TED-Ed
TED-Ed: How big is a mole? (Not the animal, the other one.) - Daniel Dulek
The word "mole" suggests a small, furry burrowing animal to many. But in this lesson, we look at the concept of the mole in chemistry. Learn the incredible magnitude of the mole--and how something so big can help us calculate the tiniest...
Bozeman Science
PS1B - Chemical Reactions
In this video Paul Andersen explains how chemical reactions progress as bonds are broken and reformed reformed. He explains the difference between changes in state and changes in molecules. He discussed collision theory and explains why...
Crash Course
What Is Organic Chemistry - Crash Course Organic Chemistry
Organic chemistry is pretty much everywhere! In this episode of Crash Course Organic Chemistry, we’re talking about the amazing diversity among organic molecules. We’ll learn about the origins of organic chemistry, how to write Lewis...
Bozeman Science
Drawing Lewis Dot Diagrams
Mr. Andersen shows you how to draw Lewis Dot Diagrams for atoms and simple molecules.
TED Talks
Christopher Bahl: A new type of medicine, custom-made with tiny proteins
Some common life-saving medicines, such as insulin, are made of proteins so large and fragile that they need to be injected instead of ingested as pills. But a new generation of medicine -- made from smaller, more durable proteins known...
TED-Ed
TED-Ed: Hacking bacteria to fight cancer | Tal Danino
In 1884, an unlucky patient who had a rapidly growing cancer in his neck came down with an unrelated bacterial skin infection. As he recovered from the infection, the cancer surprisingly began to recede. The infection had stimulated the...
Bozeman Science
Heat
In this video Paul Andersen explains how heat is the movement of energy from an object with a higher temperature to an object with lower temperature. Heat transfer can occur through conduction, convection, and radiation.
SciShow
How Often Do You Really Need to Shower?
Do you really need a daily shower to stay clean, or is it doing more harm than good? Some scientists have recommendations based on what we know about our skin , and what might be living on top of it.
Bozeman Science
Intermolecular Forces
In this video Paul Andersen explains how intermolecular forces differ from intramolecular forces. He then explains how differences in these forces account for different properties in solid, liquids and gases. Some of these properties...
Crash Course
The Creation of Chemistry - The Fundamental Laws: Crash Course Chemistry
Today's Crash Course Chemistry takes a historical perspective on the creation of the science, which didn't really exist until a super-smart, super-wealthy Frenchman put the puzzle pieces together - Hank tells the story of how we went...
TED-Ed
TED-ED: The law of conservation of mass - Todd Ramsey
Everything in our universe has mass - from the smallest atom to the largest star. But the amount of mass has remained constant throughout existence even during the birth and death of stars, planets and you. How can the universe grow...
TED-Ed
What's in the air you breathe? | Amy Hrdina and Jesse Kroll
Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...
Bozeman Science
The Mole
In this video Paul Andersen defines and explains the importance of the mole. The mole is simply a number (like a dozen) used to express the massive number of atoms in matter. It serves as a bridge between the mass of a compound and the...
SciShow
Could You Run on Water?
It might be possible to run on water, as long as you're not on earth.
TED-Ed
TED-Ed: Sajan Saini: How light technology is changing medicine
It's an increasingly common sight in hospitals around the world: a nurse measures our height, weight, blood pressure, and attaches a glowing plastic clip to our finger. Suddenly, a digital screen reads out the oxygen level in our...
MinuteEarth
How Do Trees Survive Winter?
Humans can go inside or put on clothes, but trees spend winter naked in the cold. Why don't they all die?