Bozeman Science
PS1C - Nuclear Processes
Paul Andersen explains three major nuclear processes; fusion, fission, and decay. He begins with a brief discussion of the four fundamental forces in nature. He the explains how nuclei can be combined in fusion, divided through...
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...
SciShow
Weird Places: The Jacuzzi of Despair
There's a lake so deadly that anything that goes for a swim gets pickled. Yet there's a thriving ecosystem literally living on the edge, which might give astrobiologists a hint at how life could thrive on other worlds.
Bozeman Science
A Beginner's Guide to Balancing Equations
Mr. Andersen explains the basics of balancing chemical equations. A visual guide shows you how to change coefficients to balance the atoms in reactants and products.
Curated Video
Balancing Chemical Reactions – 4 EASY Steps
In this video, we're going to show you how to balance chemical equations – it's going to be easy! We'll start with the basics, and then move on to more complex problems. By the end of this video, you'll be able to balance chemical...
Curated Video
How do I know if a chemical reaction has occurred?!?
When trying to determine or prove if a chemical reaction has occurred, there are 5 indicators that scientist look for! The 5 indicators are the formation of a precipitate, the formation of a gas, the formation of water, a color change or...
Curated Video
Most common types of hydrolysis - Study with me
In acid and base chemistry, we learn that there are 3 main types of hydrolysis: salt, acid and base. In this video, I will show you a fun and crafty way to spice up your organic chemistry notes on this topic.
Curated Video
Biochemistry
The study of chemical reactions in living organisms, the chemistry of life. 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
Chemical synthesis
The process of carrying out a set of chemical reactions to create a chemical product or products, often one not found in nature such as, a synthetic drug. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds...
Curated Video
Chemical energy
Chemical energy is stored in all compounds, and can be released in chemical reactions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Factpack: Enzymes
How enzymes power the everyday chemical reactions our bodies rely on. Biology - Cells And DNA - Learning Points. A Twig FactPack Film. Open a discussion on what has been already learnt in a topic, or use to grab attention at the start of...
Curated Video
Endothermic Reaction
We demonstrate an endothermic reaction by mixing hydrated barium hydroxide with ammonium thiocyanate. When these two solids react they take heat from the surrounding air. Chemistry - Reactions - Learning Points. Breaking bonds takes in...
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
More chemical reactions – What happens next?
Sodium is heated and added to a flask containing chlorine ... what happens next? Material processes - Changing materials - More chemical reactions A Twig Tidbit Film - What happens next? A short section of film is played and the children...
Curated Video
Chemical reactions – What happens next?
Vinegar is added to bicarbonate of soda ... what happens next? Material processes - Changing materials - Chemical reactions A Twig Tidbit Film - What happens next? A short section of film is played and the children have to guess what...
Curated Video
Chemical Reactions: Oxidation and Reduction
By the end of this learning object, the learner should be able to: Identify Oxidation – reduction reactions by gaining or losing electrons
Wonderscape
Understanding Chemical Reactions: Reactants, Products, and Chemical Bonds
Learn about the components of a chemical reaction, including reactants and products, and how chemical bonds are affected during the process. Explore examples like cookies and rusty bike fenders to understand these concepts better. All...
Wonderscape
Understanding the Law of Conservation of Matter
Explore the concept of the conservation of matter, which states that during a chemical reaction, matter is neither created nor destroyed. Learn how this fundamental principle applies to various examples, from dissolving sugar in tea to...
Wonderscape
Understanding Energy Changes in Chemical Reactions
Explore the concept of energy changes in chemical reactions, including exothermic and endothermic reactions. Learn how chemical reactions can either release or absorb energy in the form of heat or light, with examples ranging from baking...
Wonderscape
Identifying Chemical Reactions: Observable Signs and Indicators
Explore the various changes in properties that occur as a result of chemical reactions. Learn how to recognize signs such as color change, emission of odor, production of gas, and formation of precipitates, with practical examples like...
Wonderscape
Understanding Chemical Reactions: Physical vs. Chemical Changes
Explore the concepts of physical and chemical changes in matter through examples like cookies and rust. Learn how to distinguish between physical properties and chemical reactions. All About Chemical Reactions part 1
Healthcare Triage
Climate Change, Particulate Pollution, and Air Quality
We’re back with another episode on climate change and health, and this time we’re looking at some of the indirect health effects, with a focus on how things like air pollution and allergens arise from a warming planet and make us sick,...
Curated Video
Chilled to the Bone: Nicolas Vanier's Mastery of the Extreme Cold
Dive into the frigid world of Nicolas Vanier as he trains on the Vercors plateau, preparing for the grueling conditions of the Siberian winter. This feature explores how Nicolas and his sled dogs adapt to severe cold, focusing on...
Curated Video
How To Make Elephant Toothpaste
For this fun experiment, we have transformed our kitchen into a laboratory. We put on our lab coats, gloves and safety glasses to observe this amazing reaction that produces a lot of foam and a bit of heat too. Materials needed: - 1/2 a...