Bozeman Science
Lipids
In this video Paul Andersen describes the lipids (of the fats). He explains how they are an important source of energy but are also required to cell membranes. He explains how the hydrocarbon tails in triglycerides contain energy...
SciShow
Sprites, Jets, and Glowing Balls: The Science of Lightning
Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow!
Bozeman Science
Radiation and Radioactive Decay
Mr. Andersen explains why radiation occurs and describes the major types of radiation. He also shows how alpha, beta, and gamma radiation affect the nucleus of a radioactive atom. Nuclear equations are also discussed.
Bozeman Science
Electrostatic Induction
In this video Paul Andersen explains how the charge distribution can be affected my electric forces produced by a charged object. In an insulator charges are fixed but in conductors the charges can move. Induction occurs when the charges...
SciShow Kids
What Causes Thunder and Lightning?
A SciShow Kids viewer wants to know, 'Why do lightning and thunder happen?' Get your raincoat, because Jessi will take you inside a thunderstorm to give you the answer!
Crash Course
Electric Charge: Crash Course Physics
Moving on to our unit on the Physics of Electricity, it's time to talk about charge. What is charge? Is there a positive and negative charge? What do those things mean? In this episode, Shini talks about electrostatic forces, electrical...
Bozeman Science
Covalent Network Solids
In this video Paul Andersen explains how covalent network solids form elementally (like graphite) or by combining multiple nonmetals (like quartz). Covalent network solids contain elements from the carbon group because they have four...
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...
Bozeman Science
Covalent Bonding
In this video Paul Andersen explains how covalent bonds form between atoms that are sharing electrons. Atoms that have the same electronegativity create nonpolar covalent bonds. The bond energy and bond length can be determined by...
Crash Course
The History of Atomic Chemistry: Crash Course Chemistry
How did we get here? Well, in terms of Atomic Chemistry, Hank takes us on a tour of the folks that were part of the long chain of other folks who helped us get to these deeper understandings of the world. From Leucippus to Heisenberg to...
Curated Video
The Science Behind Thunderstorms: Lightning and Thunder Explained
This video explains the formation of thunderstorms and how lightning and thunder are created. It describes how water vapor in the sky condenses into clouds, and when these clouds collide, electrical charges are produced. When these...
Curated Video
Unveiling the SECRETS of Atomic Structure!
In this video, students will learn about atomic theory, atomic structure and how the atom is put together. This will include learning about the different subatomic particles, protons, neutrons and electrons, that make up the atom! This...
Curated Video
Negative charge
The charge that an object has as a result of an excess of electrons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
Curated Video
Electrical charge
A fundamental property of matter that means all particles are either positive, negative, or neutral. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Balloon and Treacle
We investigate the effect that unbalanced charge has on polar molecules. We rub a balloon against hair to build up a negative charge and then hold this near a stream of water and then a stream of treacle. They both bend towards the...
Curated Video
Van de Graaff Generator
We use a Van de Graaff generator to investigate static electricity. The generator is turned on and we see a spark move between the two domes. We then place a wig on the main dome and see the hair rise as the charge builds and the hairs...
Curated Video
Hydrogels
We use a disposable nappy to examine the superabsorbent properties of hydrogels. We add water to grains of hydrogel and watch them swell before adding salt to see the water escape. Chemistry - Chemical Industries - Learning Points....
Curated Video
Polarity
Electrical polarity is the arrangement of positive and negative charge in an electrical circuit, or distribution of positive and negative charge in, for example, a chemical bond. A Twig Science Glossary Film. Key scientific terms defined...
Curated Video
Lightning - Static Electricity
Discover that lightning is a form of static energy. Physical processes -Electricity and magnetism - Conductors and dangers of electricity Learning Points Lightning is a type of static electricity. Static electricity is formed inside...
Flipping Physics
Motional emf via Newton's Second Law
Ever wondered how the motion of a conductor in a magnetic field generates voltage? We break it down with a real-world example of an airplane wing cruising through Earth's magnetic field. Don't worry; we keep it light and fun! Learn about...
Curated Video
Master Bond Dipoles in Minutes - Chemistry Made Simple
In this video, you'll master bond dipoles in minutes – Chemistry Made Simple! 🌟 Dive into the fascinating world of bond dipoles and learn how to identify these crucial elements in various molecules. Understanding bond dipoles is...
Curated Video
Inductive Effect Consequences: How Molecules React!
The inductive effect can drastically alter how molecules behave in reactions. Electron-withdrawing groups can increase a molecule’s electrophilicity, making it more likely to accept electrons in a reaction. Conversely, electron-donating...
Curated Video
Electron Push and Pull: Inductive Effects Explained
The inductive effect is all about how atoms in a molecule affect electron distribution. Electron-withdrawing groups, like halogens, pull electrons through sigma bonds, reducing electron density in adjacent atoms. Conversely,...