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Algebra: Evaluating Expressions

Evaluating Expressions Algebra Encountering Expressions Introducing Variables Translating Words into Math Behold the Power of Exponents Living Large with Scientific Notation Dastardly…

Geometry: The Next Dimension: Surfaces and Solids

The Next Dimension: Surfaces and SolidsGeometryThe Next Dimension: Surfaces and SolidsPrismsPyramidsCylinders and ConesPolyhedraSpheresPlatonic Solids Although you might be able to name a few two-…

DK Science: The Bird Connection

Similarities between Compsognathus and ArchaeopteryxEfficient hunterCompsognathus skeletonFlying dinosaurArchaeopteryx skeletonModern birdThere are dinosaurs flying in our skies today – despite…

DK Science: Seedless Plants

ANCIENT HORSETAILSFERN REPRODUCTIONFERN FRONDSMOSS REPRODUCTIONSPOREPEAT MOSSESFIND OUT MOREFerns, horsetails, mosses, and liverworts do not produce flowers or grow from seeds. The life cycles…

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…

Famous and Infamous Moms

Famous and Infamous Moms Mother Teresa, Rose Kennedy, and other notable mothers by Beth Rowen Dorothea Lange's photo, "Migrant Mother"Mother's Day is the one day when we take time to…

Weather: The Triple Threat

The Triple ThreatWeatherHurricanes: The Greatest Storms on EarthIt's Different in the TropicsHow It HappensThe Name GameHurricane ForecastingThe Triple Threat Hurricanes are responsible for…