Respiration that uses oxygen. This is the main chemical reaction that occurs in all our cells to release energy that our bodies can use.
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A Twig Science
Glossary Film.
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A protein found in red blood cells that binds and transports oxygen in the blood.
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A Twig Science
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A substance that has had oxygen removed from it in some way.
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A Twig Science
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A small gas burner commonly used in laboratories for heating and sterilising.
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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....

Any chemical reaction in which oxygen is removed from a substance.
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The chemical reaction that takes place in all living cells to release energy from glucose.
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A layer of gas surrounding a planet or star, held in place by gravity.
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A chemical agent that readily releases oxygen atoms, or that readily gains electrons in a redox reaction.
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A Twig Science
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The process of deriving metals from their naturally-occurring ores.
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Commonly called rusting, the degrading of the exposed surface of materials, in particular metals.
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Also known as the Northern or Southern Lights. Natural displays of light in the polar regions, clearly visible in the night sky.
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A type of rock containing minerals from which a useful substance can be extracted.
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Any compound in which oxygen is combined with another element.
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A combustion reaction in which all of the products are fully oxidised and the maximum amount of energy is released.
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One of the most abundant elements, oxygen is vital to all life on Earth.



Chemistry - Periodic Table - Learni

ng Points.

Oxygen makes up 21% of

Earth's atmosphere.

Two-thirds of the

human body is...

Discover the Earth's atmosphere: what it is and what it is made of?
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rning Points.
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Open a discussion on what has been already learnt in a...

Discover the unique properties of silicon, which is found in many things from sand to computers.



Chemistry - Periodic Table - Learni

ng Points.

Silicon is

a metalloid element.

Silicon is found in...

Phosphorus is a versatile element, found in our DNA as well as fireworks and fertilisers.



Chemistry - Periodic Table - Learni

ng Points.

Phosphorus helps conve

rt food into energy.

P

hosphorus is...

Revealing the elements which make up the human body, and their relative abundance.
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Cellular respiration in the absence of oxygen. Like aerobic respiration, it converts glucose into usable energy, in the form of ATP.
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A small, extremely dense star characterised by high temperature and luminosity, no longer capable of nuclear fusion.
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A substance composed of more than one chemical element, whose atoms are held together by strong chemical bonds and are combined in a fixed ratio.
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A solid compound that contains water molecules in a defined ratio.
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The non-metal elements are found to the right of the Periodic Table.
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