50 Awesome Chemistry Videos For The Busy Science Teacher Though we don’t often recognize it, chemistry defines nearly every element of our everyday lives. From the reactions that fuel the sun to the biology of our bodies to the technology in our gadgets, chemistry is at the heart of everything we do and is the central science that unites biology, physics, geology, astronomy, medicine, and countless other fields. Yet chemistry doesn’t always get the credit and recognition it deserves for playing such an awesome role in, well, everything. If you’ve been slighting chemistry, there’s no better time to give the field the credit it deserves than National Chemistry Week. Founded in 1987, the week-long event has helped bring awareness to the role chemistry plays both in our lives today and in our future. You can get in the spirit of the event by checking out a few (or all) of these amazing chemistry videos online.
Organize Your Internship Applications with a Spreadsheet - HackCollege - Student-Powered Lifehacking Spreadsheets are love.Last week, I talked about how to make your resume and cover letter stand out by choosing your words carefully. Even as you’re preparing to get your internship and job materials up to snuff, it’s important to keep all of your stuff organized. With all of internship opportunities that you’ll be looking into, sometimes keeping track of which internship or job has which requirement and which due date can get overwhelming. Yesterday, as I was trying to knock some applications out over my spring break, I found it almost impossible to keep everything organized.
Robot Unicorn Attack Heavy Metal from Adult Swim - Free Online Game Description: Enter a world of darkness, where rainbows are replaced by fire and brimstone, skillfully navigating the platforms that stretch unending through the deepest depths of the underworld. Collect imps as you go, leaping majestically from island to island and dashing through the perilous pentagrams that block your way. You have but three tries. Failure is inevitable. Instructions: Electron shell Periodic table with electron shells In chemistry and atomic physics, an electron shell, also called a principal energy level may be thought of as an orbit followed by electrons around an atom's nucleus. The closest shell to the nucleus is called the "1 shell" (also called "K shell"), followed by the "2 shell" (or "L shell"), then the "3 shell" (or "M shell"), and so on farther and farther from the nucleus. The shells correspond with the principal quantum numbers (n = 1, 2, 3, 4 ...) or are labeled alphabetically with letters used in the X-ray notation (K, L, M, …).
Soul Type Quiz from "The Instruction: Live the Life Your Soul Intended " by Ainslie MacLeod (Publisher: Sounds True) Caregiver The quintessential characteristic of a Caregiver type is the desire to take care of others. For this reason, Caregivers may be drawn to the long-term care of children or the elderly. Though some Caregivers find their need to nurture satisfied by raising a family, many others seek out work in such venues as schools, hospitals, and animal shelters. The long-term care of those with Alzheimer’s, autism, and mental illness often becomes the responsibility of Caregivers.
16 Hidden Gems of London London – the land of tea and crumpets, the Queen and the red phoneboxes. Every guide book will tell you to stop at Trafalgar Square or look around Harrods. But if you want to try something a bit more, well, local, then try these places out. (Go on, they’re near the tourist stops you do want to go to…) 10 News Stories That Raise Endless Unanswered Questions The Internet is littered with stories that seem completely insane when you read the headline, but turn out to have fairly straightforward explanations once you get a few links deep. And then there are the stories that get weirder the more research you do. One question leads to another, and soon you're down a rabbit hole where the world isn't even trying to make sense anymore. We found 10 of them, because we'd hate for you to actually put in a productive day at the office ... #10. Mystery Boy Emerges from the Woods
Electron History In the early 1700s, Francis Hauksbee and French chemist Charles François de Fay independently discovered what they believed were two kinds of frictional electricity—one generated from rubbing glass, the other from rubbing resin. From this, Du Fay theorized that electricity consists of two electrical fluids, vitreous and resinous, that are separated by friction, and that neutralize each other when combined. A decade later Benjamin Franklin proposed that electricity was not from different types of electrical fluid, but the same electrical fluid under different pressures. He gave them the modern charge nomenclature of positive and negative respectively. Franklin thought of the charge carrier as being positive, but he did not correctly identify which situation was a surplus of the charge carrier, and which situation was a deficit. Discovery A beam of electrons deflected in a circle by a magnetic field
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Atoms The atom is a basic unit of matter that consists of a dense central nucleus surrounded by a cloud of negatively charged electrons. The atomic nucleus contains a mix of positively charged protons and electrically neutral neutrons (except in the case of hydrogen-1, which is the only stable nuclide with no neutrons). The electrons of an atom are bound to the nucleus by the electromagnetic force. Likewise, a group of atoms can remain bound to each other by chemical bonds based on the same force, forming a molecule. An atom containing an equal number of protons and electrons is electrically neutral, otherwise it is positively or negatively charged and is known as an ion. An atom is classified according to the number of protons and neutrons in its nucleus: the number of protons determines the chemical element, and the number of neutrons determines the isotope of the element.