What I Know
Directions: Choose the letter of the correct answer. Write your answers in
your Science activity notebook.
1. It is a kind of disturbance that transmits energy through a medium.
A. Force C. Mechanical wave
B. Electricity D. Electromagnetic wave
2. In what way do mechanical waves transport energy from one place to
another?
A. Particles traveling in a vacuum
B. Vibrating and traveling particles
C. Particles traveling with the wave
D. Alternately vibrating particles of the medium
3. What is the amplitude of the wave in the diagram below?
A. 0.03 m C. 0.05 m
B. 0.04 m D. 0.06 m
For items 4-5, consider the diagram below.
4. What letter in the diagram shows the wavelength of a wave?
A. A C. C
B. B D. D
5. What letter in the diagram shows the amplitude of a wave?
A. A C. C
B. B D. D
0.080 m
0.060 m
3
6. What type of mechanical wave is created through areas of compression and
rarefaction?
A. Light B. Electromagnetic C. Longitudinal D. Transverse
7. It refers to the number of cycles occurring per unit time.
A. Amplitude B. Frequency C. Period D. Wavelength
8. What do you call the highest point of a wave?
A. Crest B. Periods C. Time D. Trough
9. It refers to the highness or lowness of sound.
A. Loudness B. Noise C. Pitch D. Timbre
10. It is a quality of a musical sound which is used for differentiating two sounds
with the same frequency.
A. Loudness B. Noise C. Pitch D. Timbre
11. What type of wave moves the particles parallel to the motion of the wave?
A. Electromagnetic B. Longitudinal C. Transverse D. Water
12. What do you call the part of a longitudinal wave where particles are spread
out?
A. Amplitude B. Crest C. Compression D. Rarefaction
13. Which statement is true about pitch?
A. Pitch is directly proportional to intensity.
B. Pitch is inversely proportional to intensity.
C. Pitch is directly proportional to frequency.
D. Pitch is inversely proportional to frequency.
14. How does the individual particle of the medium in a transverse wave move?
A. In circles
B. In ellipses
C. Parallel to the direction of travel
D. Perpendicular to the direction of travel
15. It is an instrument that measures sound intensity.
A. Microscope C. Telescope
B. Oscilloscope D. Stethoscope
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Answer:
1.c
2.a
3.d
4.c
5.b
6.c
7.c
8.a
9.d
10b.
11.b
12.a
13.c
14.a
15.d