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Physical Science Take 10 Week #8 SPS 9- waves. Day # 1 Question 1 Which of the following statements describes a property of these waves? A. Wave W has.

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Presentation on theme: "Physical Science Take 10 Week #8 SPS 9- waves. Day # 1 Question 1 Which of the following statements describes a property of these waves? A. Wave W has."— Presentation transcript:

1 Physical Science Take 10 Week #8 SPS 9- waves

2 Day # 1 Question 1 Which of the following statements describes a property of these waves? A. Wave W has a larger period than wave X. B. Wave W has a lower frequency than wave X. C. Wave W has a greater amplitude than wave X. D. Wave W has a shorter wavelength than wave X.

3 Day # 1 Question 2 Between which of the following points should the amplitude be measured? A. points U and Z B. points V and X C. points W and Y D. points X and Z

4 Day #1 Answers 1. Which of the following statements describes another property of these waves? D. Wave W has a shorter wavelength than wave X. 2. Between which of the following points should the amplitude be measured? B. points V and X

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6 Day # 2 Question 1 A string is tied on a spring. Two students then stretch out the spring, as shown below. In which of the following ways does the string move when the students generate a longitudinal wave in the spring?

7 Day # 2 Question 2 A large spring is stretched horizontally between two people. One person wiggles the spring up and down at one end. The up ‑ and ‑ down vibration then moves along the spring to the other person. Which of the following types of wave is created in the spring? A. pressure wave B. transverse wave C. longitudinal wave D. nonmechanical wave

8 Day #2 Answers 1.In which of the following ways does the string move when the students generate a longitudinal wave in the spring? 2. A large spring is stretched horizontally between two people. One person wiggles the spring up and down at one end. The up ‑ and ‑ down vibration then moves along the spring to the other person. Which of the following types of wave is created in the spring? B. transverse wave

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10 Day # 3 Question 1 Which of the following statements best describes the visible spectrum of light as seen by the human eye? A. The lowest frequency appears red, and the highest frequency appears violet. B. The lowest frequency appears red, and the highest frequency appears yellow. C. The lowest frequency appears green, and the highest frequency appears violet. D. The lowest frequency appears green, and the highest frequency appears yellow.

11 Day # 3 Question 2 To locate objects in their environments, bats in flight and porpoises under water both use ultrasound waves with frequencies that are beyond human hearing. These animals produce an ultrasonic wave and then detect echoes from nearby objects. If a porpoise and a bat both produce ultrasonic waves when they are 16 m from an object, which animal would hear its echo first and why? A. The bat would hear its echo first because sound travels faster in air than in water. B. The porpoise would hear its echo first because sound travels faster in water than in air. C. The bat would hear its echo first because the amplitude of sound waves is greater in air than in water. D. The porpoise would hear its echo first because the amplitude of sound waves is greater in water than in air.

12 Day #3 Answers 1. Which of the following statements best describes the visible spectrum of light as seen by the human eye? A.The lowest frequency appears red, and the highest frequency appears violet. 2. If a porpoise and a bat both produce ultrasonic waves when they are 16 m from an object, which animal would hear its echo first and why? B. The porpoise would hear its echo first because sound travels faster in water than in air.

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14 Day # 4 Questions 1. A sound wave can be transmitted through all of the following except A. a gas. B. a liquid. C. a solid. D. a vacuum. 2. Radio waves, visible light, and x-rays are examples of electromagnetic waves that always differ from each other in A. amplitude. B. intensity. C. temperature. D. wavelength.

15 Day #4 Answers 1. A sound wave can be transmitted through all of the following except D. a vacuum. 2. Radio waves, visible light, and x-rays are examples of electromagnetic waves that always differ from each other in D. wavelength.

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17 Day # 5 Question 1 Two students stretch a rope horizontally between them. One student moves one end of the rope up and down repeatedly for a short time. Which of the following describes the frequency of the waves in the rope? A. the height that the rope reaches when moved up B. the amount of time it takes for one wave to travel the length of the rope C. the number of times the rope is moved up and down in a time interval D. the distance measured between the crest of one wave and the crest of the next wave in the rope

18 Day # 5 Question 2 The diagram below shows a wave generator that emits a wave with a frequency of 500 Hz and a wavelength of 0.1 m. How long does it take for the wave to travel a distance of 2000 m? A. 20 s B. 30 s C. 40 s D. 50 s

19 Day #5 Answers 1. Which of the following describes the frequency of the waves in the rope? C. the number of times the rope is moved up and down in a time interval 2. How long does it take for the wave to travel a distance of 2000 m? C. 40 s


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