Curated Video
I WONDER - What Are Fireworks Made Of?
This video is answering the question of what are fireworks made of.
Curated Video
High Five Facts - Radioactivity
This video explores five fun facts about radioactivity.
Curated Video
High Five Facts - Poisonous Plants
This video explores five fun facts about poisonous plants.
Professor Dave Explains
Mineralogy of Sedimentary Rocks: Weathering and Diagenesis
Now that we know some general information regarding sedimentary rocks, let's examine their mineralogy. What kinds of minerals can be found in sedimentary rocks? How do these minerals change over time? What can we say about weathering,...
Visual Learning Systems
Investigating Chemical Reactions: Video Assessment
Upon viewing the Investigating Chemical Reactions video series, students will be able to do the following: Define a chemical reaction as a process in which substances undergo changes to produce new materials with different properties....
Curated Video
Why Are pH Values Only In A Range Of 0-14?
The pH scale is used to determine whether a substance is acidic or basic, and to calculate how strong a chemical it is. A pH value is a number that ranges from 1 to 14 for most common chemicals, with seven being the middle or neutral...
FuseSchool
Green Chemistry Principles - Atom Economy
Learn the basics about the atom economy principle of Green Chemistry, as a part of environmental chemistry. A reaction with a high atom economy is one where all of the atoms in the reactants are included in the final, desired product....
The Backyard Scientist
Pouring Molten Metals into Water. COOL! (Aluminum, Thermite, Lead + More!)
I've been pouring 7 different metals into a 24" tall aquarium over the weekend, and the results have been super cool! I poured metals with different melting points to see if they had any different effects when they came in contact with...
Visual Learning Systems
Chemical Changes Review
This video is a review of the topics covered in the Chemical Changes series. In this series, we learn that matter is composed of different elements and can undergo chemical changes, transforming into new substances. We also compare...
The Backyard Scientist
Pouring molten Aluminum into a Pumpkin (cooled with liquid nitrogen!!!)
The inside of a pumpkin has a pretty interesting geometry. I had the idea to cast the inside to see what it looks like, but the inside of the pumpkin is very fragile and the 1000 degree aluminum pretty much destroys it as soon as it...
The Backyard Scientist
Pouring Liquid Nitrogen in a Pool - (I set my pool on fire!!)
I pour Liquid Nitrogen, Diethyl Ether, and Dry Ice into my pool! Can liquid nitrogen put out a fire? what about dry ice? Diethyl ether is one of the most flammable solvents around!
Visual Learning Systems
Reactions: Video Quiz
Chemicals interacting with each other are one of the most fascinating topics in chemistry. Fireworks, burning flares, and rusting all illustrate chemical reactions. The different types of reactions are described, as well as the process...
The Backyard Scientist
Molten Aluminum vs Liquid Nitrogen (& Dry Ice!)
Pouring molten aluminum into liquid nitrogen and dry ice are my most requested videos, so today you finally get to see what happens!
The Backyard Scientist
DIY "Liquid Nitrogen" Liquid Propane!
Hey guys, In this video I use liquid propane as an analogue to liquid nitrogen. Its easy, I just invert a propane cylinder and the propane comes out a a liquid. This liquid is very cold. about -40 degrees! I acts just like liquid...
Visual Learning Systems
Introduction to Chemical Changes
This video introduces the Chemical Changes series. This program illustrates and explains numerous examples of chemical changes. It also takes a look at some of the common characteristics of reactions that occur chemically. Concepts and...
The Backyard Scientist
3D Pen - Plastic to metal, Girlfriend spider prank, Dry ice air-hockey. #3D Simo Mini
I've always wanted to play with a 3D pen, they look pretty fun. Ive figured out some practical uses, like turning plastic into metal, and 'welding' broken plastic together. It's easy to turn any 3D drawn or 3D printed plastic object into...
Science360
Testing the waters: 1,4-dioxane in North Carolinas Cape Fear River Basin
It was an email from a colleague that tipped off environmental engineer Detlef Knappe of possible 1,4-dioxane contamination in the Cape Fear River Basin, North Carolina's largest watershed and a source of drinking water for communities...
The Backyard Scientist
Do Not try to charge a LiPo Battery like this!
This is what happens when you ignore the warnings on a Lithium (LiPo) Battery. First I tried Disassembling the battery to learn about it. Then I tried shocking the battery with a tesla coil. Surprisingly that did not work, so I connected...
Science360
Testing the waters 1,4-dioxane in North Carolinas Cape Fear River Basin
It was an email from a colleague that tipped off environmental engineer Detlef Knappe of possible 1,4-dioxane contamination in the Cape Fear River Basin, North Carolina's largest watershed and a source of drinking water for communities...
Curated Video
Preparing Copper Sulfate Crystals: A Step-by-Step Guide
The video is a lecture presentation on the process of preparing copper sulfate crystals. The presenter explains the reaction between copper oxide and sulfuric acid that produces copper sulfate and water, and the challenges of obtaining a...
Curated Video
Physical Physical Digestion: The Role of Teeth and Other Digestive Processes
This video is a lecture presentation on physical digestion. The speaker discusses the process of breaking down food into smaller pieces without any chemical changes to the food molecules, which is known as physical digestion. The role of...
Next Animation Studio
Chinese ‘bacteria-infected’ fertilizer sparks diplomatic row
Sri Lanka stepped into a world of hurt when it rejected a shipment of organic fertilizer from China, saying the Chinese fertilizer contains dangerous bacteria.