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9. What is the correct arrangement of materials where sound travels the fastest slowest? A. Solid- Liquid Gas B. Gas- Solid Liquid C. Liquid - Gas Solid D. Gas-Liquid Solid
10. Karen was asked by her science teacher if the movement of sound can be faster in solid than in liquid. She answered yes. Is Karen correct? A. No, because sound travels faster in liquid than in solid. B. No, because solid and liquid have the same speed of sound. C. Yes, because solid components are more elastic than liquid. D. Yes, because the molecules are more compressed in solid than in liquid.
11. How do humans benefit from sound? A. It is used for respiration. B. It is used for circulation. C. It is used for communication. D. It is used for the decomposition of wastes.
12. Read the statements carefully. Which of the following BEST describes the two statements given? Statement I: Sound makes us understand others. Statement I!: Sound gives us idea on the things around us. A. Both statements I and II are TRUE. B. Both statements I and II are FALSE. C. Statement I is FALSE while statement II is TRUE. D. Statement I is TRUE while statement II is FALSE.
13. Read the statements carefully. Which of the following BEST describes the two statements given? Statement I: Amplitude focuses on the loudness and intensity of sound. Statement II: Frequency talks about the range of vibrations occurring in sound. A. Both statements I and II are TRUE. B. Both statements I and II are FALSE. C. Statement I is FALSE while statement II is TRUE. D. Statement I is TRUE while statement II1 is FALSE.
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