Grade 4 13.Which of the following would be useful in locating a sunken ship at the bottom of the ocean? a. laser c. spectroscope b. sonar d. telescope 14. The loudness and softness of sound is called__. a. amplitude b. echo c. pitch d. volume 15. An echo is an example of sound being___. a. absorbed c. reflected b. broken d. transmitted 16. The quality of being high or low is a sound's___. a. amplitude b. frequency c.loudness d. patch 17. It is a measure of how strong a sound seems to us. a. frequency b. loudness c.noise d.Pitch 18. Which of the following is NOT true about sound? a.It is a form of energy. b. It is something you see c. It is any vibration in space and time. d. It is a type of wave that takes the form of vibrations traveling through air or another materials. 19. What happens to sound as you get farther and farther from its source? a. becomes louder b. becomes softer c. becomes flatter then louder d.the same as when it was first created 20. Which of the following is TRUE about the relationship of force applied to an object and the sound produced? a. The greater foron applied to an object the louder the sound produced b. The weaker the force applied to an object, the louder the sound produced c. The greater force applied to an object, the softer the sound produced d. Force has no effect on the loudness or softness of sound.
