(Encyclopedia) liter, abbr. l, unit of volume in the metric system, defined since 1964 as equal to 0.001 cubic meters, or 1 cubic decimeter. A cube that has each of its edges equal to 10 centimeters…
(Encyclopedia) Creston, Paul, 1906–85, American composer, b. New York City as Guiseppe Guttoveggio. Creston was largely self-taught in composition. His music is generally tonal and conservative.…
Feeling the PressureWeatherGoing in CirclesFeeling the PressureHigh Points and LowWhat Makes the Weather Go 'RoundWhat's in a Name?Scales of Motion Do you grow tired at the end of the day? I have an…
(Encyclopedia) hertzhertzhûrts [key] [for Heinrich R. Hertz], abbr. Hz, unit of frequency, equal to 1 cycle per second. The term is combined with metric prefixes to denote multiple units such as the…
WHICH FEATURES DO ALL ANIMALS HAVE IN COMMON? WHAT IS THE WORLD’S FASTEST ANIMAL? WHAT ARE WARM-BLOODED ANIMALS? HOW BIG DO ANIMALS GROW? BEHAVIORFIND OUT MOREAnimals are grouped into two main…
(Encyclopedia) McMinnville, city (1990 pop. 17,894), seat of Yamhill co., NW Oreg.; inc. 1876. It is a trade and processing center in the fertile Willamette valley. Foods, textiles, and building…
(Encyclopedia) International System of Units, officially called the Système International d'Unités, or SI, system of units adopted by the 11th General Conference on Weights and Measures (1960). It is…
Understanding and Using the Scientific MethodScience Fair ProjectsUnderstanding and Using the Scientific Method The scientific method is the backbone of every science experiment, and understanding…
(Encyclopedia) color index, in astronomy, difference in an object's brightness as recorded between any two well-defined bands of the electromagnetic spectrum by using optical filters of different…
