Science news.Name: -- 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. A(n) -- is a scientist who studies insects. (A) insectologist (B) entomologist (C) ichthyologist ich·thy·ol·o·gy n. The branch of zoology that deals with the study of fishes. ich  thy·o·log (D) myrmecologist 2. By offering sugared water to bees after exposing them to an explosive scent, scientists are teaching bees to (A) stick out their antennas whenever they detect a bomb. (B) find nectar in dangerous places. (C) stick out their proboscises whenever they smell an explosive. (D) use their antennas to dismantle bombs. 3. Which of the following statements about "the Dunk" is false? (A) It was 33 meters long. (B) It lived 400 million years ago. (C) It could bile a shark in two. (D) It could chomp (jargon) chomp - To fail. down at a force of 500 kilograms per square inch. 4. In a recent study, scientists found that on average, U.S. teen girls drink approximately -- of non-diet soda each day. (A) half a 12-oz can (B) one 12-oz can (C) one-and-one-half 12-oz cans (D) two 12-oz cans 5. Fortified fortified (fôrt  ´fīd),adj containing additives more potent than the principal ingredient. orange juice contains the -- growing teens need to build strong bones. (A) Vitamin C vitamin C or ascorbic acid Water-soluble organic compound important in animal metabolism. Most animals produce it in their bodies, but humans, other primates, and guinea pigs need it in the diet to prevent scurvy. (B) calcium (C) protein (D) iron 6. Forecasters predicted that 2006 would have a(n) -- number of Atlantic hurricanes Atlantic hurricane refers to a tropical cyclone that forms in the Atlantic Ocean usually in the Northern Hemisphere summer or autumn, with one-minute maximum sustained winds of 74 mph (64 knots, 33 m/s, 119 km/h). , but their predictions fell short by --. (A) above average, 19 percent (B) alarmingly high, 27 percent (C) below average, 35 percent (D) above average, 50 percent. 7. Scientists found that Saharan dust storms interfere with hurricane formation by (A) causing a brewing hurricane to move in a counterclockwise to move in a counterclockwise direction. (B) slowing (learn tilt, winds with the mass of the sand. (D) blocking a hurricane's path of movement. (D) introducing dry air that breaks up a brewing hurricane's air currents. (8) Which of the following is not a step in bat echolocation echolocation Physiological process for locating distant or invisible objects (such as prey) by emitting sound waves that are reflected back to the emitter by the objects. Echolocation is used by an animal to orient itself, avoid obstacles, find food, and interact socially. ? (A) A bat produces sounds with its mouths or nostrils. (B) Sound waves produced by a bat bounce off objects. (C) A bat detects faint echoes. (D) Olfactory olfactory /ol·fac·to·ry/ (ol-fak´ter-e) pertaining to the sense of smell. ol·fac·to·ry adj. Of, relating to, or contributing to the sense of smell. cells help a bat detect the direction of an object. 9. Frequency measures the (A) height of a wave. (B) number of vibrations per second. (C) distance between two wave crests The highest part of a wave. See also crest; wave. . (D) volume of a wave. 10. A black hole is (A) an exploding star. (B) a monstrous concentration of matter. (C) a galaxy that move counter-clockwise. (D) a dying star that is losing its light. ANSWER: 1. b 2. c 3. a 4. b 5. b 6. d 7. d 8. d 9. b 10. b |
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