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Members of Congress: Delaware, Congress,

Biographies of U.S. representatives and senators from Delaware Member Name Birth-Death ADAMS, Wilbur Louis 1884-1937 ALLEE, James Frank 1857-1938 ALLEN, William Franklin 1883-1946…

Weather: What Makes the Weather Go 'Round

What Makes the Weather Go 'RoundWeatherGoing in CirclesFeeling the PressureHigh Points and LowWhat Makes the Weather Go 'RoundWhat's in a Name?Scales of Motion While high and low pressure areas are…

DK History: First Modern Humans

WHERE DID THE FIRST MODERN HUMANS LIVE? WHO WERE NEANDERTHALS AND WHY DID THEY DISAPPEAR? HOW DID MODERN HUMANS REACH OTHER AREAS? FLINT-KNAPPINGABORIGINALSFIND OUT MORE Homo sapiens sapiens…

Teachers' Top 100 Books for Children

Source: National Education Association (NEA). Web: www.nea.org/readacross/resources/catalist.html . This list was compiled from an online survey by the NEA in 2007. See also Kids' Top 100 Favorite…

almanac

(Encyclopedia) almanac, originally, a calendar with notations of astronomical and other data. Almanacs have been known in simple form almost since the invention of writing, for they served to record…

Chemistry: How and Why Do Things Dissolve?

How and Why Do Things Dissolve?ChemistrySolutionsWhat Are Solutions?How and Why Do Things Dissolve?Determining the Concentration of a SolutionFactors That Affect SolubilityDilutions When making a…

Anatomy and
Physiology: ECG: Measuring a Beat

ECG: Measuring a BeatAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat The electrical conductivity that is an inherent part of the…

Geometry: The AAS Theorem

The AAS TheoremGeometryCongruent TrianglesCPOCTACThe Big FiveThe SAS PostulateThe ASA PostulateThe AAS TheoremProving Segments and Angles Are CongruentProving Lines Are Parallel You've accepted…

Algebra: Climb Aboard the Coordinate Plane

Climb Aboard the Coordinate Plane Algebra Graphing Linear Equations Climb Aboard the Coordinate Plane Sketching Line Graphs It's a Slippery Slope Kinky Absolute Value Graphs Thanks to a fun-…