Curated Video
Amylase
An important digestive enzyme which breaks down starch into sugar. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce...
Curated Video
Condensation reaction
A reaction in which two molecules join together while eliminating a smaller molecule, usually water. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
Curated Video
Monomer
A small molecule that can chemically bond in chains or groups to other similar molecules, to form larger molecules called polymers. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
Curated Video
Starch
A carbohydrate made of long chains of repeated glucose building blocks. 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
Asexual Reproduction in Plants
Some plants don't need both a male and female to reproduce - they can do it alone. Which plants can do this and how do they manage it? Biology - Plants - Learning Points. Plants use a variety of methods to reproduce. Methods include...
Curated Video
Photosynthesis: How Plants Convert Sunlight into Energy
Journey into the chloroplast, where photosynthesis takes place, to learn how plants convert sunlight into usable chemical energy - one of the most vital processes on Earth. Biology - Plants - Learning Points. Leaves are small...
Curated Video
Photosynthesis and Starch
We put three different plants under different conditions to demonstrate that both light and carbon dioxide are needed for photosynthesis to occur. A leaf from each plant is taken and heated in ethanol to remove the pigment. These are...
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
Carbohydrate
Molecules such as sugar and starch, which form an important energy source for living organisms. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Metabolism
The chemical reactions that occur in all living cells to extract, convert, and use the energy from food, to fuel all other cell processes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
Curated Video
Fuel Crops: Exploring Farming Alternatives
This video discusses the use of plant material for biofuel production as a way to reduce carbon emissions and combat climate change. It highlights the importance of finding alternative plant sources that do not compete with food crops...
Curated Video
The Science of Sweets: Unraveling the Chemistry of Baking
Join Mac Lesggy as he ventures into the precise and often unforgiving world of pastry making under the guidance of a professional chef. This video explores the crucial scientific principles that make or break your favorite desserts. From...
Curated Video
The Art and Science of Perfect French Fries
Uncover the culinary science behind creating the perfect French fries, a beloved treat across ages and cultures. Discover how chefs achieve that ideal crispy exterior and soft interior through the choice of potato, cutting techniques,...
Institute of Human Anatomy
The TRUTH About Gluten
In this video, Justin from the Institute of Human Anatomy discusses how the various gluten proteins interact with the digestive tract, including in those with gluten sensitivities.
Curated Video
GCSE Biology - Photosynthesis #48
Photosynthesis. What is it? How does it work? Why do plants do it? What is all that glucose used for?
Curated Video
GCSE Biology - Digestive Enzymes #17
Learn how we digestive enzymes such as amylase, proteases and lipases to break down carbohydrates, proteins and lipids. We also cover where the enzymes are made and what they break each food group down to.
Curated Video
GCSE Biology - What are Nutrients? Carbohydrates, Lipids, Proteins, Vitamins & Minerals #15
In this video, we cover: - What nutrients are and why we need each of them - Specifically we cover carbohydrates, lipids, proteins, vitamins, minerals, fibre and water Exam board specific info: AQA - Suitable for everyone IGCSE Edexcel -...
Curated Video
GCSE Biology - Food Tests Practicals #16
Everything you need to know about the food tests GCSE practical. We cover the: - Benedicts Test - Iodine Test - Biuret Test - Sudan III Test - Emulsion test (edexcel only)
Curated Video
GCSE Chemistry - Naturally Occurring Polymers - Polypeptides, DNA, and Carbohydrates #61
This video covers: - Examples of polymers that occur naturally, including: - Polypeptides, which are made of amino acids - DNA, which is made of nucleotides - Carbohydrates, which are made of sugars - How the monomers combine to form the...
Encyclopaedia Britannica
Alcohol and the Human Body - Part 1
An excerpt from Alcohol and the Human Body, a 1949 production of Encyclopaedia Britannica Films.
Curated Video
Amylase and pH Experiment - Theory
The video is the first part of a three-part lecture series on the amylase and pH experiments. It discusses the theory behind the experiment, the general method to be followed, and the factors that impact the effectiveness of amylase in...
The Backyard Scientist
Molten Aluminum Vs. Oobleck (Non-Newtonian Fluid)
The first Molten Aluminum video in a long time! After last weeks Oobleck video, many of you suggested for me to pour molten aluminum into Oobleck. It sounded like a fun experiment so I gave it a go!
Curated Video
How to Conduct an Experiment on pH and Amylase in Biology
This video discusses the steps and analysis involved in carrying out an experiment on the effects of pH on the action of amylase, a digestive enzyme that breaks down starch into glucose. The video provides details on the equipment and...
Curated Video
Digestive Enzymes: Breaking Down Food for Nutrient Absorption
This video is a lecture presentation about digestive enzymes and how our bodies process the food we eat to extract important nutrients from it. The presenter explains the two types of digestion - mechanical and chemical, and focuses on...