Curated Video
What are carbon-based molecules
Carbon-based molecules are the basis of life as we know it. Molecules like lipids, proteins, nucleic acids, and carbohydrates that make up all living things have one thing in common - carbon.
Curated Video
How do you store sugar in your body
Glucose storage in the human body happens in different ways. After eating a delicious slice of cake, our bodies need to process all the sugar we've ingested. Some is used for energy, and the excess is stored.
Curated Video
Meet the ADORABLE disaccharides - maltose, sucrose and lactose
When 2 monosaccharides come together and form a glycosidic bond, they become a disaccharide. In this video, we will be looking at the structure and examples of disaccharides we find in nature.
Science ABC
Why Do We Wake Up Hungry After Overeating?
We feel hungry even after overeating the previous night because through the night our blood sugar levels drop. The insulin released after the heavy meal causes the body to use up or store the glucose. Additionally, our stomach is empty...
Let's Tute
Understanding Nutrition: A Complete Guide to a Healthy Diet
The video discusses the importance of nutrition and a balanced diet for a healthy and fit lifestyle. It explains the different types of nutrients and their food sources, as well as the consequences of undernutrition and overnutrition....
Curated Video
Aerobic Respiration: Oxygen-Powered Energy
Respiration that uses oxygen. This is the main chemical reaction that occurs in all our cells to release energy that our bodies can use. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images...
Curated Video
Cellulose
A naturally occurring polymer of glucose that forms cell walls in plants and gives them strength and rigidity. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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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....
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Respiration
The chemical reaction that takes place in all living cells to release energy from glucose. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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
Homeostasis
The maintenance of a stable internal environment. 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 abstract...
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
Glucose
A simple sugar that plays a very important role in all living things. 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
Empirical formula
A formula that shows the simplest whole number ratio of atoms in a compound. 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
Fermentation: Converting Carbohydrates into Other Products
The process by which microorganisms can convert carbohydrates into other products. 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
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
Anaerobic Respiration: Observing Yeast's Oxygen-Free Energy Production
We use yeast to let us observe anaerobic respiration. The yeast is added to warm water and glucose. A layer of oil is placed over the solution so that no oxygen is available. The solution starts to bubble and the gas produced passes...
Curated Video
Screaming Jelly Baby
We add a jelly baby to a boiling tube containing potassium chlorate. When the chemicals react, gas is rapidly produced. The screaming sound is created as the gas escapes from the tube. The sweet burns brightly as the reaction occurs....
Curated Video
Aerobic Respiration: Observing Oxygen Use in Maggots
We use maggots to let us observe aerobic respiration. The maggots are placed over sodium hydroxide in a specimen tube. A bung and delivery tube are attached to the specimen tube that feed into a boiling tube of coloured water. In the...
Curated Video
Insulin and Diabetes
Over 400 million people suffer from diabetes globally. What is diabetes, how is it caused, and what role does insulin play in its onset and treatment? Biology - Healthy Living - Learning Points. Insulin is a hormone that controls glucose...
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The Cell Membrane
Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...
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You are one big chemical reaction
Did you know you are one big walking talking chemical reaction? Material processes - Changing materials - Chemical reactions Learning Points Chemical reactions happen inside the human body. Respiration is a chemical reaction that...
Curated Video
Sloth vs cheetah
The sloth and the cheetah have different energy needs. This is reflected in their diet. Physical processes - Energy and energy transfer - Storing energy Learning Points Stored energy is a type of potential energy. All animals store the...