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DK Science: Examining Footprints

Measuring trackwaysIndicators of behaviourCalculating dimensionsComparing the stance of animalsRunning and walking speedsIt has been said that the footprints of a dinosaur can tell us more about…

Science Projects for Beginners: Physical Science

Physical ScienceScience Projects for BeginnersPhysical ScienceWhy Do Some Objects Fall Faster Than Others?Do Objects Float Better in Salt Water Than in Fresh Water? Does It Matter How Much Air Is…

Which was the smartest dinosaur?

Although there is no direct way to measure a dinosaur's intelligence, one of the few possible measures of intelligence might be a large brain in a small body. The genus that perhaps fits this…

Finding Perimeter and Circumference

Perimeter The perimeter of a geometrical figure is the complete distance around that figure. To find the perimeter, simply add up the lengths of the figure's sides. Example: What is the perimeter…

Algebra: Investigating Variation

Investigating Variation Algebra Rational Equations and Inequalities Solving Rational Equations Proportions and Cross Multiplying Investigating Variation Solving Rational Inequalities There…

DK Space: Space Stations

WHAT ARE SPACE STATIONS USED FOR? HOW ARE SPACE STATIONS BUILT? INTERNATIONAL SPACE STATIONFIND OUT MOREIn a space station, a large crewed spacecraft orbiting Earth, astronauts can live and work in…

heat capacity

(Encyclopedia) heat capacity or thermal capacity, ratio of the change in heat energy of a unit mass of a substance to the change in temperature of the substance; like its melting point or boiling…

mercurous chloride

(Encyclopedia) mercurous chloride,&sp;mercury (I) chloride, or calomel, chemical compound, Hg2Cl2, a white crystalline powder, very slightly soluble in water. It was once used medicinally as a…

shoring

(Encyclopedia) shoring, placing of props or braces, called shores, against or beneath a structure for support. Shoring is often used to stabilize a building when it is to undergo structural…

Colosseum

(Encyclopedia) Colosseum or ColiseumColosseumboth: kŏləsēˈəm [key], Ital. Colosseo, common name of the Flavian Amphitheater in Rome, near the southeast end of the Forum, between the Palatine and…