1. Which of these properties of sound measures the quality of sound wave?
A. amplitude B. loudness C. pitch D. tone
2. Which of these refers to the number of vibrations a sound energy creates?
A. amplitude B. frequency C. pitch D. tone
3. It is the science that deals with the production, transmission, and effects of sound?
A. acoustics B. aerodynamics C. aeronautics D. aerospace
4. What is the best way to minimize echoes in a theater?
A. make the floor shiny C. paint the wall to absorb sound
B. put foams and carpets D. open the windows to let the sound go out
5. Which of these creates a higher frequency of sound?
A. roar of a lion B. chirp of a bird C. crow of a roaster D. moo of a carabao
6. It describes how high or how low a sound is?
A. amplitude B. frequency C. loudness D. pitch
7. What energy is produced through vibrating objects?
A. chemical B. heat C. light D. sound
8. Which of the following is true about sound?
A. All sound waves have the same amplitude.
B. You would hear someone talking in a vacuum.
C. High frequency sound waves have greater volume of sound.
D. Echo can be heard when someone talks in a closed, cemented wall.
9. You tried to yell your name inside a cave, then you hear that sounds coming back to
your ears. What is this called?
A. amplitude B. echo C. pitch D. refraction
10. What does pitch mean? It refers to____________________.
A. how loud a sound is C. the number of vibrations per second
B. how high or low a sound is D. the back and forth movement of matter