Science news.DIRECTIONS: Read the Science News section on pages 4 to 7. Then, test your knowledge by filling in the letter of the correct answer below. 1. A massive sheet of floating ice is called a(n) (A) iceberg. (B) glacier. (C) calve calve act of parturition by a cow or other mammal producing a calf as offspring. . (D) ice shelf. 2. An iceberg forms when a sheet of ice (A) calves. (B) extends off a coast. (C) joins with another sheet of ice. (D) slams onto land. 3. How does a club-winged manakin create the "ting ting n. A single light metallic sound, as of a small bell. intr.v. tinged , ting·ing, tings To give forth a light metallic sound. " sound? (A) The bird rubs its legs together. (B) It causes the shaft of a feather to vibrate. (C) Male birds create the "ting" sounds with their mouths. (D) The bird clacks
This article or section needs sources or references that appear in reliable, third-party publications. two of its feathers against each other. 4. For which of the following activities do male manakins use their songs? (A) hide from predators (B) stay warm (C) search for food (D) attract a mate 5. A computer's functioning is controlled by (A) actuators. (B) sensors. (C) an android An open platform for cellphones from the Open Handset Alliance (OHA). Based on Linux, Android includes a library of Java classes for building mobile applications. Android and GPhone . (D) a software program. 6. During which time of year does the United States experience longer daylight hours? (A) from September to March (B) when the Southern Hemisphere is tilted toward the sun (C) when the Northern Hemisphere is tilted toward the sun (D) when the sun rises later and sets earlier 7. Which of the following is a reason to extend daylight saving time daylight saving time (DST), time observed when clocks and other timepieces are set ahead so that the sun will rise and set later in the day as measured by civil time. ? (A) Earth's Northern Hemisphere has more daylight hours in December. (B) People will use more energy. (C) People may save energy by using less artificial lighting. (D) Most people prefer to have daylight in the morning. 8. Champion pumpkin grower Eaton started with a seed from an oversize o·ver·size n. 1. A size that is larger than usual. 2. An oversize article or object. adj. o·ver·size also o·ver·sized Larger in size than usual or necessary. Adj. 1. pumpkin because (A) it was an award-winning pumpkin. (B) the pumpkin's offspring are likely to be jumbo too. (C) he wanted to grow a small pumpkin. (D) the seed was extra large. 9. Which of the following is a reason why cats can't taste sweets? (A) One of the cat's genes is missing a chunk of DNA DNA: see nucleic acid. DNA or deoxyribonucleic acid One of two types of nucleic acid (the other is RNA); a complex organic compound found in all living cells and many viruses. It is the chemical substance of genes. . (B) Cats have no taste buds. (C) Cats never eat sweets. (D) They have too many detectors on their taste buds. 10. A cat's--develops according to directions from a --. (A) DNA, gene (B) sweet receptor, taste bud taste bud n. One of a number of flask-shaped receptor cell nests located in the epithelium of the papillae of the tongue and in the soft palate, epiglottis, and pharynx that mediate the sense of taste. (C) sweet receptor, gene (D) taste bud, sweet receptor ANSWERS 1. d 2. a 3. b 4. d 5. d 6. c 7. c 8. b 9. a 10. c |
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