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Article: Sci-triv game.
- Article from:
- Current Science, a Weekly Reader publication
- Article date:
- November 19, 2004
CopyrightCOPYRIGHT 2004 Weekly Reader Corp. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Physical. 1. True. Ytterby, Sweden. is called "the village of the four elements." An odd piece of black rock that looked like coal was found in a quarry there in 1787. During the next 100 years, chemical analyses of minerals that were first identified in the rock led to the addition of four new elements to the Periodic Table: erbium, terbium, ytterbium, and yttrium. 2. A. Pencils do not contain lead. The "lead" in pencils is graphite, a form of carbon. 3. the saxophone, 4. pH, 5. A Geiger counter is an instrument that detects and measures radioactivity. The physicist Hans Geiger invented it. Health. 1. False, 2. C, 3. kidney, 4. femur, 5. vitamin A deficiency. ...