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...
Bozeman Science
Elements and Molecules
In this video Paul Andersen explains how elements and molecules are made of atoms. In a pure sample of a pure substance the average mass remains the same. If more than one atom is found in a molecule the ration of average masses remains...
Curated Video
Chemistry - Molecular and Empirical Formulas Explained - What's the difference?
The molecular formula of a compounds gives you the actual formula while the empirical formula gives you a simplified version of the molecular formula. Both formulas are important in chemistry and they both gives us valuable information....
Curated Video
Rocket Man Eric Scott Sets New Altitude Record with Rocket Belt
In this video, Eric Scott, the only Rocket Belt performer in the world, sets a new altitude record by landing in a high place without using valuable propellant to return to the ground. The rocket belt, developed in the 1960s, uses...
Curated Video
Oxidiser
A chemical agent that readily releases oxygen atoms, or that readily gains electrons in a redox reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Chemiluminescence
The release of light with very little heat as the result of a chemical reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Iron and Luminol
We use potassium ferricyanide and luminol indicator to show how forensic scientists detect blood at crime scenes. The luminol indicator contains luminol, sodium hydroxide and hydrogen peroxide. When luminol comes into contact with the...
Curated Video
Oscillating Colour Change
We use three chemical solutions to create an oscillating reaction. The three different solutions are mixed using a magnetic stirrer and the colour changes from clear to amber to dark blue. This pattern repeats as the concentrations of...
Curated Video
Elephant's Toothpaste
We create a rapidly expanding column of foam by mixing chemicals. Hydrogen peroxide and detergent are added to potassium iodide and food colouring to set off a reaction that creates vibrant expanding foam. Chemistry - Reactions -...
Curated Video
Science or Magic? Debunking Internet Phenomena
Explore the science behind astounding tricks seen online, such as eggs that bounce and excessive foam from simple reactions. This segment explains how everyday chemistry and physics contribute to these seemingly miraculous occurrences,...
Curated Video
Illuminating Innovation: Energy from Animals, From Methane to Bioluminescence
Uncover the fascinating world of animal-derived energy solutions, from cows powering farms through methane production to microorganisms illuminating buildings. This video showcases how bioluminescence and anaerobic digestion are...
Curated Video
Color and Chemistry: The Evolution of Hair Dye and Nail Polish
Explore the rich history and science behind hair dye and nail polish, from ancient natural dyes to modern chemical processes. Discover how ancient cultures used plants and minerals for coloring, the revolutionary introduction of...
Curated Video
Examining the Rate-Determining Step Chemical Barrier
Rate Determining Step, definition, calculation in Hydrogen peroxide. Reaction Mechanism & Rate Determining Step part 2
Curated Video
Order Matters : Getting to the Bottom of Reaction Order
Definition of Order of Reaction, Reaction Order calculation in NH3, NO2 formation Order & Molecularity of Reaction part 1
Debunked
Everything you're doing Wrong with Pimples #ACNE #MYTHS
We've all do it at one time or another, but is popping a PIMPLE, ZIT, or SPOT the right thing to do? Could you be doing more bad than good, or is it better to leave it alone?
Curated Video
Lab – Factors that Affect Enzymes
Visual demonstration of the lab factors that affect enzymes
The Backyard Scientist
Devil's Toothpaste Squirtgun (exploded)
Offset your carbon footprint with me on Wren! We'll plant 10 extra trees for the first 100 people who sign up!
Science Buddies
Salt Water Battery Science Project
Learn how to make a working battery with salt water and how you can use it for a science experiment! A kit with the parts for this project is available here: https://www.homesciencetools.com/product/potato-battery-science-kit/?aff=SB1....
Catalyst University
D-Amino Acid Oxidase Mechanism and Biology
D-Amino Acid Oxidase Mechanism and Biology
Catalyst University
Advanced Glycation End-Products (AGEs) EXPLAINED [Part 1]
In this video, we explore the mechanism of advanced glycation end-products [AGEs] and how they contribute to inflammation.
Schooling Online
IB Biology Skills: Reliability 3
Robin Hood has a flawless track record. That is, until he completely misses the mark one day! Does this spell the end of his successful career? This lesson will wrap up our discussion of reliability by examining the effects of outliers...
Schooling Online
Biology Skills: Reliability Part 3
Robin Hood has a flawless track record. That is, until he completely misses the mark one day! Does this spell the end of his successful career? This lesson will wrap up our discussion of reliability by examining the effects of outliers...
Schooling Online
IB Biology Skills: Validity 1
The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will introduce the concept of validity and examine the importance of...
Catalyst University
Alkene Epoxidation: Theory, Mechanism, and Examples
Alkene Epoxidation: Theory, Mechanism, and Examples