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. How is Claudia Mitchell's bionic A machine that is patterned after principles found in humans or nature; for example, robots. It also refers to artificial devices implanted into humans replacing or extending normal human functions. See biomimicry. arm unique? (A) It's made entirely of plastic. (B) It's unbreakable. (C) It moves in response to signals from the brain. (D) She moves it by contracting the muscles in her right hand. 2. How many motors are in Mitchell's bionic arm? (A) one (B) two (C) six (D) ten 3. Stalactites Stal`ac`ti´tes n. 1. A stalactite. are (A) mineral deposits found on the floor of a cave. (B) boulders that shape a cave's walls. (C) mineral deposits that hang from the ceilings of caves. (D) cave walls made from frozen water. 4. An archerfish archerfish, laterally compressed fish, genus Toxotes, which catches insects by spitting at and disabling them. The archerfish has a groove in the roof of its mouth that forms a long narrow tube when the tongue is placed against it; the fish propels drops of nabs prey by (A) diving to the bottom of the ocean to find bottom dwellers. (B) sneaking up behind the prey to suck its Suck It is the first episode of the second season of Robot Chicken. List of skits Renewal of Robot Chicken by [adult swim] Seth Green thanks Adult Swim for the renewal of the new season of Robot Chicken. blood. (C) jumping onto land to nab small insects. (D) spitting water from its mouth to knock prey off leaves and into the water. 5. Which is true of an archerfish's behavior? (A) It can nab prey of various sizes. (B) It eats only plankton plankton: see marine biology. plankton Marine and freshwater organisms that, because they are unable to move or are too small or too weak to swim against water currents, exist in a drifting, floating state. . (C) It breathes twice a minute. (D) It can only swim backward. 6. What is the most important thing for people to do to try to prevent spreading the flu? (A) Blow your nose. (B) Wash your hands often. (C) Stay indoors. (D) Eat a lot of fruit. 7. To effectively wash away germs, scientists recommend washing your hands for--seconds. (A) 5 (B) 10 (C) 15 (D) 20 8. The new device "XPower" measures a rodeo bull's (A) body temperature. (B) body size. (C) force as it bucks. (D) horns. 9. The newly found 3.3-million-year-old skeleton of a girl was preserved in (A) ice. (B) a desert. (C) a tar pit tar pit n. An accumulation of natural tar or asphalt at the earth's surface, especially one that traps animals and preserves their bones. tar pit . (D) sediment sediment, mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock). from a flood. 10. Which statement about the young girl who lived 3.3 million years ago is FALSE? (A) She walked upright on two legs. (B) She had long arms and curved fingers. (C) She belonged to the species Homo supiens. (D) Her fossil was found in Ethiopia. ANSWERS NEWS QUIZ 1. c 2. c 3. c 4. d 5. a 6. b 7. d 8. c 9. d 10. c |
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