Science in the News Quiz.Directions: Read the late-breaking science news stories in our Science News section on pages 4-6. Then, test your knowledge by answering the questions below. Circle the correct letter. 1. Justin Carven carv·en v. Archaic A past tense and a past participle of carve. adj. That has been wrought or decorated by carving. Adj. 1. and Skip Wrightson drove cross-country in a VW van powered by a. french fries. b. rainwater. c. dirty grease. d. all of the above. 2. The van also had a. an exterior motor. b. a dual fuel system. c. an electronic ignition Electronic Ignition is a system utilised in automobile engines, replacing contact breaker points in the distributor A reluctor, igniter, and Hall Effect switch are installed in place of the breaker points, and the cam lobes on the distributor cam control the sensor, the ignitor system. d. none of the above. 3. The first diesel engine, which debuted at the 1900 World's Fair world's fair: see exposition. world's fair Specially constructed attraction showcasing the science, technology, and culture of participating countries and enterprises. , ran on a. Coca-cola. b. butter. c. orange juice. d. peanut oil. 5. While test rats sleep, they dream about a. cheese. b. mice. c. mazes. d. their mothers. 5. Researchers have found that rats navigate by using the a. hippocampus hippocampus fabulous marine creature; half fish, half horse. [Rom. Myth. and Art: Hall, 154] See : Monsters . b. cerebellum cerebellum (sĕr'əbĕl`əm), portion of the brain that coordinates movements of voluntary (skeletal) muscles. It contains about half of the brain's neurons, but these particular nerve cells are so small that the cerebellum accounts for . c. cerebrum cerebrum: see brain. cerebrum Largest part of the brain. The two cerebral hemispheres consist of an inner core of myelinated nerve fibres, the white matter, and a heavily convoluted outer cortex of gray matter (see cerebral cortex). . d. all of the above. 6. Researchers monitored rat dreams by a. doing head X-rays. b. implanting electrodes in their brains. c. observing rats' naps. d. none of the above. 7. An adult male Atlantic walrus a. is 12-feet long. b. weighs 3,500 pounds. c. has a 3-inch layer of blubber. d. all of the above. 8. Earth's worst extinction, known as "the Great Dying," occurred more than a. 3 million years ago. b. 55 million years ago. c. 175 million years ago. d. 250 million years ago. 9. Researchers think the Great Dying was caused by a. a tidal wave. b. a volcanic eruption. c. an asteroid. d. none of the above. 10. Astronomers at the American Museum of Natural History American Museum of Natural History, incorporated in New York City in 1869 to promote the study of natural science and related subjects. Buildings on its present site were opened in 1877. think that Pluto is really a. an asteroid. b. a comet. c. Neptune's moon. d. none of the above. ANSWERS CHECK FOR UNDERSTANDING 1. c 2. b 3. d 4. c 5. a 6. b 7. d 8. d 9. c 10. b |
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