Science news.Name: -- Science News 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. Where is the world's tallest tree located? (A) Lima, Peru (B) Northern California, U.S. (C) Ontario, Canada (D) Queensland, Australia 2. The tallest tree in the world is a (A) coast redwood. (B) birch tree. (C) maple tree. (D) cedar tree. 3. What is the major symptom of halitosis halitosis (hăl'ĭtō`sĭs), unpleasant odor carried on the breath. It is usually the result of gum disorder, tooth decay, smoking, indulgence in aromatic foods, or a mild digestive upset. ? (A) itchy skin (B) headaches (C) bad breath (D) fever 4. What is the most common cause of halitosis? (A) a virus that blocks the vocal cords vocal cords: see larynx. Vocal cords The pair of elastic, fibered bands inside the human larynx. The cords are covered with a mucous membrane and pass horizontally backward from the thyroid cartilage (Adam's apple) to insert on (B) a torn tissue that infects the nasal passage (C) catching it from someone else (D) bacteria that releases smelly sulfur compounds when breaking down food 5. Which of the following is NOT a step in vocalization vocalization to make a vocal sound; a form of communication. Studies of feline vocalization have identified murmur, vowel and strained intensity patterns. excessive vocalization ? (A) exhale exhale /ex·hale/ (eks´hal) to breathe out. ex·hale v. 1. To breathe out. 2. To emit a gas, vapor, or odor. air over the vocal chords (B) vocal chords vibrate to produce sound waves (C) deflate (file format, compression) deflate - A compression standard derived from LZ77; it is reportedly used in zip, gzip, PKZIP, and png, among others. Unlike LZW, deflate compression does not use patented compression algorithms. the vocal chords (D) use lips, teeth, and tongue to shape sound waves into words 6. An ocean's salinity measures (A) the size of its currents. (B) its temperature. (C) the amount of salt in the water. (D) the number of marine organisms in the water. 7. Sensors on elephant seals help researchers learn about ocean--. (A) sizes (B) temperatures and amount of salt in the water (C) pollution levels (D) depths 8. What is tuberculosis? (A) a contagious disease contagious disease n. See communicable disease. that causes abnormal growths in the lungs and other tissues (B) a type of disease that wears away the stomach lining (C) a genetic disease that causes bones to deteriorate (D) an inflammation in muscles that causes chronic spasms 9. Britni Lonesome lone·some adj. 1. a. Dejected because of a lack of companionship. See Synonyms at alone. b. Producing such dejection: a lonesome hour at the bar. 2. is helping to improve tuberculosis treatment by (A) spending time with people with tuberculosis. (B) writing pamphlets to help educate others about the disease. (C) creating a special mask to stop people from contracting the disease. (D) helping scientists design a disk that goes under the skin and slowly releases medication over several months. 10. Steve Irwin was known as "the Crocodile Hunter," but his main mission was to (A) hunt crocodiles for their valuable skin. (B) protect endangered species endangered species, any plant or animal species whose ability to survive and reproduce has been jeopardized by human activities. In 1999 the U.S. government, in accordance with the U.S. from extinction. (C) stop crocodiles from eating other animals. (D) write books about Australia. ANSWERS: NEWS QUIZ. 1. b 2. a 3. c 4. d 5. c 6. c 7. b 8. a 9. d 10. b |
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