Curated Video
Solutions
Why and how do substances dissolve? Discover what happens when you create a solution. Chemistry - Atoms And Bonding - Learning Points. A solution is the mixture formed when a solid dissolves in a liquid. A solvent is a liquid that can...
Curated Video
Mass of Wire Wool
We look at how the mass of wire wool changes when it is burned. Wire wool is almost 99% iron. When we burn it, it combines chemically with oxygen from the air to form iron(III) oxide. The mass of the product is more than the mass of the...
Curated Video
Collision Theory
Discover that altering the number of successful collisions between particles is key to changing the rate of chemical reactions. How this can be manipulated? Chemistry - ReactionsLearning Points. New substances are made when particles...
Curated Video
The Dark Side of Oxygen
We depend on oxygen for life. But in fact, oxygen is corrosive: ageing us, damaging cell DNA, and 'rusting' us from the inside. Biology - Human Body - Learning Points. Oxygen is vital in powering every cell and process in the human body....
Curated Video
Catalyst
A substance that increases the rate of a chemical reaction without itself being permanently changed or used up. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Combustion
Or burning, a chemical reaction that requires an initial source of heat, a fuel, and an oxidising agent such as oxygen, and releases energy as heat, and often light. A Twig Science Glossary Film. Key scientific terms defined in just 60...
Curated Video
Chemical reactions – Big reveal
What is it? ... These are rusty nails! Material processes - Changing materials - Chemical reactions A Twig Tidbit Film - Big Reveal. The image zooms out from an extreme close-up to full frame. The children have to guess what the image is.
Curated Video
More chemical reactions – Pixelate
What is it? ... It's an explosion! Material processes - Changing materials - More chemical reactions A Twig Tidbit Film - Pixelate. A pixelated image unscrambles. The children have to guess what it is.
Curated Video
Chemical Reactions: Bioluminescence
Did you know that bioluminescence is produced by a chemical reaction? Material processes - Changing materials - Chemical reactions A Twig Tidbit Film - Did you know? A fascinating fact is revealed.
Curated Video
Chemical Reactions: Rust and the Process of Oxidation
Did you know that rust is a product of a chemical reaction called oxidation? Material processes - Changing materials - Chemical reactions Learning Points Rusting is also called oxidation. A Twig Tidbit Film - Did you know? A fascinating...
Curated Video
Changing properties
What chemical and physical changes are at play in cake baking. Material processes - Changing materials - More chemical reactions Learning Points Chemical changes are usually irreversible. Physical changes are usually reversible. Chemical...
Curated Video
Chemical reactions – Spot the...
Six processes are shown on screen ... can you spot which involve chemical reactions? Material processes - Changing materials - Chemical reactions Learning Points Chemical changes are different to physical changes. A Twig Tidbit Film -...
Curated Video
Why is the Statue of Liberty green?
Did you know that the Statue of Liberty hasn't always been green? Material processes - Changing materials - Chemical reactions Learning Points Chemical reactions produce new substances. Chemical changes always involve two or more...
Curated Video
What is a mixture?
Find out what makes a mixture, and what happens when materials react chemically. Material processes - Separating mixtures - What is a mixture? Learning Points A mixture is formed when different materials are combined without chemical...
Curated Video
What is burning?
What are the three factors needed to make something burn? Material processes - Changing materials - Burning Learning Points Burning is a chemical reaction. Burning requires oxygen, a fuel source and heat. An exothermic reaction releases...
Curated Video
Chemical Equations and Reactions: The Chemical Reactions
By the end of this learning object, the student will be able to: Summarize the important points of chemical equations and reactions.28728
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
Curated Video
Young Innovators: Transforming Everyday Challenges with Ingenious Inventions
Explore the fascinating world of young inventors who transform daily inconveniences into innovative solutions. From an automatic laundry-protecting tarpaulin to a bicycle that changes gears by itself, this video showcases how creative...
Curated Video
The Science of Snacks: How Appetizers Like Chips and Pretzels are Made
Discover the intriguing science behind your favorite appetizers in this educational journey through snack production. From the crunch of mini pretzels enhanced by the Maillard reaction to the perfect crispiness of chips achieved through...
Curated Video
CISSP Crash Course - Security in Facility Design
This video explains how to apply security principles and controls to facility design. This clip is from the chapter "Architecture and Engineering" of the series "CISSP Crash Course".This section covers domain 3, which focuses on...