Science in the News Quiz.Directions: Read the late-breaking science news stories in our Science News section on pages 4-7. Then, test your knowledge by answering the questions below. Circle the correct letter. 1. "Snice" is a a. soothing cough drop cough drop n. A small, often medicated and sweetened lozenge taken orally to ease coughing or soothe a sore throat. . b. snow-and-ice combination. c. fever-reducing cold compress cold compress Orthopedics CCs are usually applied intermittently to acutely injured muscle, joints or bone, up to 48 hrs after the initial trauma . d. bed made of ice. 2. About how many large dams were built in the last 50 years? a. 8,500 b. 22,500 c. 45,000 d. 60,000 3. The World Commission on Dams reports that dams worldwide have a. displaced millions of people. b. endangered wildlife. c. hurt farmlands. d. all of the above 3. The species of mantis shrimp mantis shrimp, marine crustacean characterized by a pair of enlarged appendages, called maxillipeds, that form powerful claws for seizing prey. The last two segments of each of these legs are strong and sharp, and the end segment is folded back over the next segment called Neogonodactylus curacaoensis dine on a. invertebrates. b. sharks. c. aquarists. d. salmon. 5. Aquarists use a process called curing to a. bathe shrimp. b. feed crustaceans. c. clean rocks. d. save salmon. 6. New studies show cell phones do not cause a. a lower IQ. b. brain cancer. c. chronic jaw-pain or "phone mouth." d. hearing loss. 7. Cell phones emit a. radio waves Radio waves Electromagnetic energy of the frequency range corresponding to that used in radio communications, usually 10,000 cycles per second to 300 billion cycles per second. . b. X rays. c. shock waves. d. 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 . 8. Cell phones may cause teens a. headaches. b. sleeping disorders. c. memory loss. d. all of the above 9. The dinosaur Masiakasaurus knopfleri was named after a a. dino-like bird. b. rock star. c. scientist's mother. d. German shepherd. 10. Aerobic exercise aerobic exercise, n sustained repetitive physical activity, such as walking, dancing, cycling, and swimming, that elevates the heart rate and increases oxygen consumption resulting in improved functioning of cardio-vascular and respiratory systems. may fight a. allergies. b. chocolate cravings. c. depression. d. acne. ANSWERS 1. b 2. c 3. d 4. a 5. c 6. b 7. a 8. d 9. b 10. c |
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