1. what quantity tells us how fast an object is moving?
a. Speed
b. velocity
c. distance
d. displacement
2. Which quantity gives us the actual length of the path taken by a moving object?
a. Distance
b. direction
c. dislocation d. displacement
3. How does knowing the displacement of an object help in looking for our destination?
a. It tells how far an object is
c. It gives the degree of the path to be taken
b. It gives the direction of the object d. It tells the direction and the length to be taken
4. Which of the quantities below shows the velocity of the object?
a. 40 km
b. 400 km/hr
c. 1000 m, NE d. 600 m/s, downwards
5. Which of the quantities below shows the distance covered by a moving object?
a. Car covering 100 km
c. bus travelling at a rate of 40km/hr
b. Dog walking on a curve road
d. treasure found T 50 km, NE of Mt Apo
6. What do you call a disturbance that moves away from a source and carries energy with it?
a. Motion
b. period
c. vibration
d. wave
7. What evidence shows that wave carries energy?
a. Wave can set things in motion C. wav e have vibrating pattern in its motion
b. Wave have its crest and trough d. wave is formed due to disturbing particles
8. How can mechanical waves be generated?
a. By creating disturbance in a body of water
b. By moving a piece of spring back and forth
c. By setting a rope in motion through up and down movement
d. All of the above
9. An example of distance is
a. 10 hrs.
b. 100 m/s
c. 50 km, NE d. 100 meters
10. An example of speed is
a. 50 km/hr, NE b. 10 s c. 100 meter/second d. 10 km
11. Which of the following characteristics of wave determines the amount of energy it carries?
a. Amplitude b. frequency c. wavelength d. wave speed
12. What do you call the highness or lowness of sound?
b. loudness
a. amplitude
c. quality
d. pitch
13. Through the same medium, what happens to the speed of the wave as frequency increases?
b. decreases c. remains the same d. cannot be determined
a. Increases
14. What characteristic of wave is constant for all types of electromagnetic wave?
b. frequency
a. Amplitude
C. wavelength d. wave speed
15. A distinct characteristic of sound that varies with its source.
b. frequency
a. amplitude
d. loudness
C. quality
16. Which of the following produces the highest frequency of sound?
c. fire alarm
b. falling debris
d. thunder
a. Drum​