Science ABC
What Would Happen If The Amount Of Oxygen On Earth Doubled?
If we had twice the amount of oxygen, we have now, several significant changes would occur. Animals would grow larger as the increased oxygen supply would support their growth. Neutrophils, specialized white blood cells, would exhibit an...
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Mastering Focus: Strategies to Overcome Attention Deficits
Struggling to stay focused and productive? Our video "Strategies to Deal with Attention Deficits" offers practical solutions to help you improve your attention and tackle distractions head-on. Join John from OnwardWell as he guides you...
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Oxygenated
A substance in which the concentration of oxygen is elevated is said to be oxygenated. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Strong acid
A strong acid is one that is fully ionised in solution. 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...
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Rate of reaction
A measure of how fast a reaction is taking place. 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...
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Equilibrium
A reversible chemical reaction reaches equilibrium when the concentrations of the reactants and products are constant. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Ore
A type of rock containing minerals from which a useful substance can be extracted. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Concentration
A measure of how much of one substance is dissolved or dispersed in another, for example salt in water, or oxygen in the atmosphere. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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Diffusion
The spread of particles from an area of high concentration to an area of low concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
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Corona
The outer atmosphere of the sun. A thin, extremely hot plasma - over a million degrees celsius, compared to around 6000 degrees for the visible surface. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using...
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Acid
A compound which dissolves in water to form a solution with a pH of less than 7. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
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Active transport
The use of energy to move particles across a cell membrane from a lower concentration to a higher concentration. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Half-life
Originally used in relation to radioactivity, describing the time required for half the atoms of a radioactive substance to decay. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and...
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pH
The pH scale measures the acidity or alkalinity of a solution. 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...
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Salt: Food Preservative
Salt was discovered thousands of years ago as a way of preserving food. How does it do this? And what else does salt preserve? Chemistry - Chemical Industries - Learning Points. Food rots because of bacteria and fungi. Salt is an...
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Test Your Vision
Test your vision and perception. Watch the basketball players, count the number of times they pass the ball - and prepare for a surprising outcome. Biology - Being Human - Learning Points. Our brains filter out information all the time....
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State of the Greenland Ice Sheet
Laser technology aboard aircraft has allowed scientists to measure the Greenland Ice Sheet, one of the largest bodies of ice in the world. Is it growing or shrinking? Earth Science - Human Impacts - Learning Points. NASA scientists...
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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...
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Carbon Capture: Phytoplankton
Phytoplankon - microscopic marine plants - could help prevent global warming. How would they do this? And is it right for man to interfere with nature in a bid to save the planet? Human Geography - A Changing World - Learning Points....
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Osmosis and Volume
We look at the effects of osmosis on the volume of potato and the appearance of red onion cells. Two cylinders of potato are measured and weighed before one is placed in salt water and the other in fresh water. We can see how osmosis...
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Can Fish Oil Make You Smarter?
Studies suggest that eating more fish oil could make children smarter – but could the fact they're being observed be altering the results? Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning required by...
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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...
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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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Rates of Reaction: Basics
Knowing the rate of a chemical reaction can be very important, particularly for industry. Discover which factors indicate the rate of a chemical reaction, and how you can change it. Chemistry - Reactions - Learning Points. Some reactions...