Yes, fire can burn without oxygen. While oxygen is an important oxidizing agent for combustion, it is not the only one. There are alternative oxidizers such as chlorine, fluorine, and bromine that can also support burning. Furthermore,...

Chewing gum activates the receptors in our gums that send information to the brain. The added bonus of an increased heart rate also allows the muscles to receive more blood. This is why so many professional footballers and basketball...

The tendency of a substance to undergo chemical reactions.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

Or reagent, the material that is consumed in a chemical reaction to create new products.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual...

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.
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Key scientific terms...

Reactions used in the oil industry to break down large hydrocarbon molecules.
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A Twig Science
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Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....

A series of reactions, each the result of a preceding reaction.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

A substance that reacts with an acid to form a salt and water.
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A Twig Science
Glossary Film.
Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...

When and why do bees sting? And what happens in the human body when they do? Why are bee stings only a nuisance to some people, but life threatening to others? Biology - Cells And DNA - Learning Points. Bees sting people to protect...

Why do we cook our food wrapped in aluminium foil? Why does metal rust? It all comes down to oxidation reactions. Discover what happens to cause these reactions, and how to stop them. Chemistry - ReactionsLearning Points. The combustion...

Throughout the year, some leaves change colour from green, to yellow, to red. Discover the role chlorophyll, carotene and anthocynanin pigments play in making this happen. Chemistry - Reactions - Learning Points. Leaf colour depends on...

Discover the chemical processes occurring deep within the Earth that create beautiful crystal structures in caves. Chemistry - Reactions - Learning Points. Caves are a result of rainwater slowly carving away rock. Carbonic acid forms in...

Solar eclipses are a great excuse for a party and some serious science. A group of people known as 'Shadow Chasers' travel the globe to view this phenomenon. Physics - Our Solar System - Learning Points. While total solar eclipses occur...

Some reactions take in energy and some release energy. Why? And what are some common examples of each type of reaction? Chemistry - Reactions - Learning Points. An energy change occurs when reactions take place. Exothermic reactions...

Explore the difficulties of extracting aluminium from its ore, and how the vast quantities of heat and electricity generated by electrolysis allow this to happen. Chemistry - ReactionsLearning Points. Aluminium is difficult to extract...

For centuries, humans have been extracting metals from molten ores. Today, the basic technique remains the same, but how does extraction work? Chemistry - Reactions - Learning Points. Metals can be extracted from rocks if they are heated...

A biological catalyst. Enzymes are specialised proteins that speed up biochemical reactions. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...

Exothermic reactions release heat energy. Discover how some reactions release heat slowly and some quickly.
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We use glass every day, but how is is made?
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An endoth
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rmic reaction absorbs heat energy.
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इस वीडियो में भिन्नात्मक आसवन की प्रक्रिया को समझाया गया है, जिसमें कच्चे तेल को विभिन्न उपयोगी हाइड्रोकार्बन अंशों में अलग किया जाता है। कच्चे तेल को उस तेल के रूप में परिभाषित किया गया है, जो सीधे जमीन या समुद्र से निकाला जाता है। यह...

इलेक्ट्रोलिसिस एक ऐसी प्रक्रिया है जिसमें एक तरल माध्यम के माध्यम से विद्युत प्रवाह के प्रभाव से रासायनिक परिवर्तन होते हैं। उदाहरण के लिए, जब सोडियम क्लोराइड (टेबल नमक) को 801 डिग्री सेल्सियस से अधिक तापमान पर गर्म किया जाता...

Dive into the bubbling world of 'Acid Base Reactions' and see the amazing chemical dances that happen when acids and bases meet! It's a fun, colorful science lesson made simple for kids.

Zoom into the world of 'Enzymes,' where kids will learn how these tiny but mighty helpers speed up reactions in our bodies! It's a microscopic journey to see the science that makes us work.

Explore 'Are Acid-base Reactions Dangerous?' to see the exciting mix of acids and bases! A safe, fun look at chemical reactions for kids.