Geological timescaleTriassic period: 250–200 million years agoJurassic period: 200–145 million years agoCretaceous period: 145–65 million years agoDinosaurs roamed the planet for about 165 million…
ATMOSPHEREOCEANSLANDICE AND SNOWEARTH SCIENCESTUDY TECHNIQUESBIOSPHEREAXISFIND OUT MOREThe rocky ball that forms our world is one of nine planets in the Solar System. Earth is a sphere, with a…
WHY ARE INSECTS SO SUCCESSFUL? HOW DO INSECTS DEFEND THEMSELVES? WHAT DO INSECTS EAT? WHERE DO INSECTS GO IN WINTER? HOW DO INSECTS AFFECT HUMANS? INSECT CLASSIFICATIONANTENNAECOLONIESFIND OUT…
Scientific Origins of the UniverseTheories of the UniverseScientific Origins of the UniverseBang That DrumA Big Bang AlternativeThe Accelerating UniversePlasma CosmologyThe Standard ModelThe Alpha…
inventorBorn: 1925 Through his discovery that a specific combination of chemicals caused living organisms to emit light, Chappelle facilitated important findings…
A major religion of India and the fifth-largest faith in the world, Sikhism emerged in the Punjab under the guidance of the guru Nanak (1469–1539?). This region had been influenced by the Hindu…
Continent: Northeastern South AmericaClimate: Tropical and subtropical; some areas have an annual rainfall of more than 6 feetSchool: The school year runs from February through December. Kids…
Continent: North Africa/Middle EastClimate: Hot desert! In summer, temperatures average more than 100 degrees.School: School attendance is required for six years, generally beginning at age six or…
The inventor of modern scientific classification was Carolus Linnaeus (1707-1778) a Swedish botanist who classified and described more than 4,400 species of animals and 7,700 species of plants…