(Encyclopedia) solar energy, any form of energy radiated by the sun, including light, radio waves, and X rays, although the term usually refers to the visible light of the sun. Solar energy is needed…
Downhill DiscoveriesIntermediate-Level Science ProjectsPhysical ScienceCan Water Make a Bottle Rocket Fly Higher?Downhill Discoveries The concepts of potential energy, kinetic energy, drag,…
Harry Potter, Cast at Last
A young actor gets ready to enroll in Hogwarts by Holly Hartman
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The Columbia Encyclopedia is easy to use. All articles are arranged alphabetically with each article heading in boldface type. The headings of biographical articles are inverted and alphabetized by…
You’ve probably heard of the theory of relativity. And you may even know that motion, mass, energy, time and space are all relative. But if you’re confused about what any of that actually means…
WHY ARE SOME PLACES SACRED? WHO WORSHIPS ANCESTORS? WHAT IS A FETISH FOR? RITUALSFIND OUT MORELocal religions are unique to tribal or cultural groups living apart from modern societies. They are…
Homework Center – Writing Skills Book reports are a way to show how well you understood a book and to tell what you think about it. Many teachers have their own rules about what…
(Encyclopedia) lightning, electrical discharge accompanied by thunder, commonly occurring during a thunderstorm. The discharge may take place between one part of a cloud and another part (intracloud…
(Encyclopedia) heir, person designated by law to succeed to the ownership of property of another if that owner does not make a contrary disposition of it by will. A person who takes property left to…
(Encyclopedia) AdventistsAdventistsădˈvĕnˌtĭsts [key] [advent, Lat.,=coming], members of a group of related religious denominations whose distinctive doctrine centers in their belief concerning the…
