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. A humerus is
a. an upper arm bone.
b. a meat-eating dinosaur.
c. a feathered dinosaur.
d. a funny bone.
2. A recent dino find suggests animals
developed feathers
a. to gain running speed.
b. at the same time they learned to fly.
c. for warmth before they could even fly.
d. for camouflage.
3. Caffeine revs up the body by jolting the
a. circulatory system.
b. respiratory system.
c. central nervous system.
d. digestive system.
4. Fred, NASA's fake human torso, will test
a. radiation.
b. weightlessness.
c. motion sickness.
d. space cuisine.
5. Cancer is a disease characterized by
a. bacteria.
b. uncontrolled cell growth.
c. viruses.
d. space travel.
6. A wooden toe found on a mummy suggests
ancient Egyptians may have pioneered
a. wood carving.
b. prosthetic limbs.
c. pedicures.
d. decorative footwear.
7. Lake Nyos spews this type of gas:
a. carbon dioxide
b. methane
c. hydrogen
d. helium
8. How scientists "de-gas" the water of
Lake Nyos:
a. community evacuation
b. calcium-rich minerals
c. hydro-powered pumps
d. none of the above
9. A new sneaker employs this for theft
protection:
a. siren
b. instant DNA analysis
c. magnetic lock
d. motion sensor
10. Fly neurons called "mushroom bodies"
a. regulate body temperature.
b. signal hunger.
c. retrieve scent-linked memory.
d. detect prey.
TAKE IT FURTHER
11. Which dino would have been more
ferocious: "Jumbo" or "Fluffy"? Why?
Could birds have evolved from dinos?
Why or why not?
12. Why is excessive carbon dioxide
in the air harmful for living things?
How is the gas linked to global warming?
ANSWERS 1. a 2. c 3. c 4. a 5. b 6. b 7. a 8. d 9. d 10. c 11. "Fluffy fluff·y adj. fluff·i·er, fluff·i·est 1. a. Of, relating to, or resembling fluff. b. Covered with fluff. 2. Light and airy; soft: fluffy curls; a fluffy soufflé. ," a fast-running carnivore carnivore (kär`nəvôr'), term commonly applied to any animal whose diet consists wholly or largely of animal matter. In animal systematics it refers to members of the mammalian order Carnivora (see Chordata). , would have been more ferocious fe·ro·cious adj. 1. Extremely savage; fierce. See Synonyms at cruel. 2. Marked by unrelenting intensity; extreme: ferocious heat. than "Jumbo jum·bo n. pl. jum·bos An unusually large person, animal, or thing. adj. Unusually large: jumbo shrimp; a jumbo jet. ," as slow-moving Adj. 1. slow-moving - moving slowly; "slow-moving cars" slow - not moving quickly; taking a comparatively long time; "a slow walker"; "the slow lane of traffic"; "her steps were slow"; "he was slow in reacting to the news"; "slow but steady growth" plant-eater. 12. An explosion of C[O.sub.2] suffocated and killed 1,700 people by Lake Nyos Lake Nyos is a crater lake in the Northwest Province of Cameroon. Nyos is a deep lake high on the flank of an inactive volcano in the Oku volcanic plain along the Cameroon line of volcanic activity. A natural dam of volcanic rock hems in the lake waters. in Cameroon, Africa. C[O.sub.2] is a greenhouse (heat-trapping) gas and can contribute to 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. . |
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