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Landmarks - Grand Canyon
IN ONE PANORAMIC SWEEP YOU CAN SEE NEARLY HALF OF THE EARTH'S 4.6 BILLION-YEAR HISTORY. EROSION HAS EXPOSED ROCK STRATA RANGING FROM THE 1.7-BILLION-YEAR OLD VISHNU SCHIST OF THE INNER GORGE, TO THE PALE KAIBAB LIMESTONE DEPOSITED 250...
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Landmarks - The Spinnaker Tower
THE SPINNAKER TOWER THE SPINNAKER TOWER DOMINATES THE SKYLINE ABOVE THE ANCIENT PORT CITY OF PORTSMOUTH IN THE SOUTH OF ENGLAND. THE BUILDING WHICH OPENED IN 2005 IS A REMARKABLE COMBINATION OF ARTISTRY, ARCHITECTURE AND ENGINEERING.
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Exploring Washington DC on a Segway: A Fun and Efficient Way to See the Sights
Experience the sights of Washington DC like never before with the Segway Human transporter. Glide effortlessly through the city at up to 12 kilometers per hour on this two-wheeled, self-balancing electric vehicle. With its innovative...
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Electrostatic attraction
The attraction between two bodies with opposite electric charges due to the charge alone. 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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Van der Waals Force
A type of intermolecular force that causes attraction between molecules. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films...
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Metallic bond
A metallic bond is the attractive force that exists between positively charged ions and the 'sea' of negative electrons in a metal element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning...
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Gravity - Attractive Force of Mass
An attractive force that acts between all matter that has mass, and is proportional to mass. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
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Ionic compound
A chemical compound typically formed from metal and non-metal elements combining. 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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Electrical charge
A fundamental property of matter that means all particles are either positive, negative, or neutral. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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Intermolecular Forces
Discover the role played by intermolecular forces in changing the state of matter between solid, liquid and gas. Chemistry - Atoms And Bonding - Learning Points. Intermolecular forces are the attractive forces between molecules....
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Solids, Liquids and Gases
What is the difference between solids, liquids and gases? How does each state behave? Chemistry - Atoms And Bonding - Learning Points. The kinetic theory of matter states that particles are in constant motion and there are forces of...
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Water Forces
The unique force created by hydrogen bonding gives water some unique properties, which seem to defy the laws of nature. Chemistry - Atoms And Bonding - Learning Points. Hydrogen bonding is a special force of attraction between water...
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Speed of Sound
Sound waves move through different mediums at different speeds, but why is this? What factors affect the speed of sound? Physics - Waves - Learning Points. Speed of sound depends on many different factors. Temperature, elasticity and...
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Introduction to Chemical Bonding
The basic ways elements combine to create compounds, fundamental to life as we know it. Chemistry - Atoms And Bonding - Learning Points. There are 92 naturally occurring elements. They fall into two categories: metals and non-metals....
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Balloon and Treacle
We investigate the effect that unbalanced charge has on polar molecules. We rub a balloon against hair to build up a negative charge and then hold this near a stream of water and then a stream of treacle. They both bend towards the...
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Ionic Bonding
How metals and non-metals combine to form compounds with unique and very different properties. Chemistry - Atoms And Bonding - Learning Points. An electrically charged atom is called an ion. Ionic bonds are very strong. Ions are formed...
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Plastics and Polymers
Plastics are all made in a similar way, but can be manipulated to have very different functions. Discover how their properties are determined. Chemistry - Chemical Industries - Learning Points. Plastics are synthetic materials called...
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Forces of Nature
Introducing the four main forces of nature: gravity, electromagnetic force, weak and strong nuclear forces. Learn why they are fundamental to life on Earth. Physics - Forces - Learning Points. There are four fundamental forces of nature....
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Plant Mimics
From orchids that mimic the appearance of bees to the carrion flower which smells like rotting meat, discover the devious world of the plant mimic. Biology - Plants - Learning Points. Some plants use mimicry to aid reproduction or...
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Ionic bond
Very strong chemical bonds between oppositely charged ions. 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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Gravity in our universe
Discover that gravity is the force that keeps our solar system together. Physical processes -Force and motion - Gravity Learning Points The Sun has the greatest gravitational pull in the Solar System. Gravity keeps everything in the...
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What is gravity?
Find out how gravity affects our everyday life. Physical processes -Force and motion - Gravity Learning Points Gravity is a force that pulls everything in the Universe together. The Earth's gravity pulls everything towards its centre. A...
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3 Intermolecular Forces You Must Know to PASS Chemistry
Understanding Intermolecular Forces (IMFs) is essential to success in chemistry and being able to discuss various properties we see in different molecules. In this video we cover the big three IMFs - hydrogen bonding, dipole dipole...
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Thrills and Physics: The Science Behind Roller Coasters
Explore the thrilling world of roller coasters with Mac Lesggy as he discovers how these exhilarating rides stay safely on track while delivering adrenaline-pumping experiences. Learn about the engineering that keeps the rides secure and...