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Animated Math Video: Comparing Solid Figures

In this video, Jackson learns the properties of basic three-dimensional geometric shapes by selecting the best shape (cube, sphere, cylinder, cone) and arranging them appropriately to build a tower.

Animated Math Videos: Number Sense and Patterns

Infoplase and FactMonster are pleased to present a collection of videos from our partner Pearson Education. Pearson is devoted to creating tools that provide endless opportunities for learners at…

Morris, Mark

(Encyclopedia) Morris, Mark 1956–, American dancer and choreographer, b. Seattle, Wash. After training in Balkan folk dance, flamenco, and ballet, he went on to dance for Eliot Feld, Laura Dean, and…

cellular telephone

(Encyclopedia) cellular telephone or cellular radio, telecommunications system in which a portable or mobile radio transmitter and receiver, or “cellphone,” is linked via microwave radio frequencies…

Spears, Britney Jean

(Encyclopedia) Spears, Britney Jean, 1981- , b. McComb, Ms. Spears studied singing and dance as a young child in her hometown and enrolled in New…

submersible

(Encyclopedia) submersible, small, mobile undersea research vessel capable of functioning in the ocean depths. Development of a great variety of submersibles during the later 1950s and 1960s came…

Forsythe, William

(Encyclopedia) Forsythe, WilliamForsythe, Williamfôrsīthˈ [key], 1949–, American dancer and choreographer, b. New York City. He trained with the Joffrey Ballet (1971–73), then joined the Stuttgart…

videodisc

(Encyclopedia) videodisc or videodisk, disk used with a special player and television to reproduce both pictures and sound. A videodisc player cannot record television programs off the air for later…

Hancock, Herbie

(Encyclopedia) Hancock, Herbie (Herbert Jeffrey Hancock), 1940- , American jazz pianist, composer, and bandleader, b. Chicago, Il., Grinnell College…