US Department of Agriculture
What is a Conflict of Interest?
One of the primary concerns for all federal employees is the prevention of conflicts of interest, in order to increase the public’s trust in government. That’s also one of the most basic functions of the Office of Ethics. In this video...
Encyclopaedia Britannica
Britannica Insights: U.S. Elections
Learn more about suffrage, the expansion of the electorate, and the importance of voting in elections in this interview with Iona College political science professor Dr. Jeanne Sheehan Zaino.
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Gas
The state of matter in which particles are widely separated and are in constant random motion. 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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Spectroscopy
A technique that uses a prism to split the light coming off an object or atom. 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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Liquid
One of the three classical states of matter, along with gas and solid. 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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Temperature
A measurement related to the average kinetic energy of the particles contained in a system. 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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Solid
The state of matter in which particles are packed tightly together in a rigid structure, with a defined shape. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
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Line spectra
A set of well-defined lines within the electromagnetic spectrum, emitted by hot or excited matter. 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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Medium
Matter in which something happens, is transmitted, or is stored. 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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Matter
Any substance that has mass and occupies a volume. 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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Boiling point
The temperature at which a liquid changes to a gas, at atmospheric pressure. 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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Proton
A positively charged particle found in the nucleus of all atoms. 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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Methane
A colourless and odorless gas that belongs to the alkane group of hydrocarbons. 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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Mass - Matter Measurement
A measure of how much matter an object contains, in units of grams or kilograms. 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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Radiation
Though often used more narrowly to refer to ionising radiation, the term radiation refers to any form of energy that travels through a medium, radiating outwards from a source. A Twig Science Glossary Film. Key scientific terms defined...
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Particle(s)
Used as a general term for the atoms and molecules that make up all matter. 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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Galaxy
A collection of billions of stars, along with gas and dust, held together by its own gravity. 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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Big Bang
The most widely accepted theory for the origin and development of our Universe. 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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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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Topsoil
The uppermost 5 to 20cm of soil, with a high concentration of organic matter and microorganisms, where almost all of the biological activity in soil takes place. A Twig Science Glossary Film. Key scientific terms defined in just 60...
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Conduction
The transfer of heat energy due to a difference in temperature, always from a hotter to cooler area. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions....
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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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Algae: Simple Photosynthetic Organisms
Very simple organisms that can photosynthesise like plants, but do not have complex features such as roots, stems, or leaves. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
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Atomic weight
The average mass of atoms of an element. 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 concepts and key...