Science news.DIRECTIONS: Read the Science News section on pages 4 to 7. Then, test your knowledge by filling in the letters of the correct answers below. 1. The Norcal Waste device uses bacteria to turn dog waste into (A) hydrogen. (B) oxygen. (C) carbon. (D) methane. 2. Recycling all of San Francisco's dog waste could prevent--of dung from clogging up landfills each year. (A) 2,800 pounds (B) 20,500 pounds (C) 15 tons (D) 6,000 tons 3. This summer, 20 pigeons wearing gadget-filled backpacks will take to California's skies to monitor (A) air pollution. (B) traffic patterns. (C) weather conditions. (D) levels of ultraviolet rays Ultraviolet rays Invisible light rays with a wavelength shorter than that of visible light but longer than that of x rays. Mentioned in: Sunscreens . 4. Scientists believe that avian influenza avian influenza: see influenza. arrived in Nigeria via (A) tourists visiting from Europe. (B) wild birds that migrate there each year from Asia and Eastern Europe Eastern Europe The countries of eastern Europe, especially those that were allied with the USSR in the Warsaw Pact, which was established in 1955 and dissolved in 1991. . (C) chickens imported from southern China. (D) all unknown source. 5. Infected birds spread avian influenza through (A) biting healthy animals. (B) their waste and saliva. (C) parasites that travel from host to host, spreading the virus. (D) mosquitoes, spreading tile vires as they bite different organisms. 6. Last January, the average temperature in the contiguous U.S. states was--degrees Fahrenheit warmer than average for the month. (A) 3.8 (B) 6.7 (C) 8.5 (D) 10.2 7. Scientists believe January's record-breaking temperatures were brought on by (A) a jet stream that stayed too far to the south. (B) global warming global warming, the gradual increase of the temperature of the earth's lower atmosphere as a result of the increase in greenhouse gases since the Industrial Revolution. . (C) a jet stream that stayed too far to the north. (D) record low rainfall. (8.) Recently, scientists found many previously unknown species in a forest in the Foja Mountains The Foja Mountains or Foja Range (Indonesian: Pegunungan Foja) is located just north of the Mamberamo river basin in Papua, Indonesia. The mountains rise to 2,193 meters (7,195 ft), and contain more than 3,000 square kilometres of old growth tropical rainforest in . The forest is located in (A) Colombo, Sri Lanka Sri Lanka (srē läng`kə) [Sinhalese,=resplendent land], formerly Ceylon, ancient Taprobane, officially Democratic Socialist Republic of Sri Lanka, island republic (2005 est. pop. . (B) Phongsali, Laos. (C) New Guinea, Indonesia. (D) Sandakan, Malaysia. 9. A(n)--is a scientist who studies birds. (A) herpetologist her·pe·tol·o·gy n. The branch of zoology that deals with reptiles and amphibians. [Greek herpeton, reptile (from herpein, to creep) + -logy. (B) ornithologist (C) ichthyologist ich·thy·ol·o·gy n. The branch of zoology that deals with the study of fishes. ich  thy·o·log (D) entomologist 10. Which of the following ingredient-chilling methods will produce the smallest crystals in ice cream? (A) Slowly chill the ingredients in small plastic containers. (B) Mix tile ingredients slowly in a traditional ice-cream maker. (C) Freeze the ingredients as quickly as possible. (D) Whip the ingredients before they freeze to add buffering air molecules into the mixture. 1.d 2. d 3. a 4. b 5. b 6. c 7. c 8. c9. b10. c |
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