3rd QUARTER EXAMINATION
SCIENCE 7
Name:
Score:
Test I. MULTIPLE CHOICE: Choose only the letter of your correct answer. Write it on the blanks
provided before each number.
1.An object is considered in motion with respect to its point of reference when
changes.
a. distance b. direction
c. displacement
d. position
2. How to compute for the average speed of each cyclist?
a. divide distance travelled by the recorded time of travel.
b. divide the recorded time of travel by distance travelled
c. divide distance travelled twice the recorded time travel.
d. multiply distance travelled by their recorded time travelled.
3. It is the measurement travelled by an object.
a. distance b. displacement
d. point of reference d. speed
4. It refers to the shortest distance between the object’s two positions.
a. distance b. displacement
c. point of reference d. speed
5. When an object is at constant speed, it is
.
a. Accelerating
c. Decelerating
b. speed remains the same all throughout the travel d. Zero speed
6 How much distance would you cover, If you ran 15 km /hr for 20 mins.?
a. 3.6km
b.4.5 km
c. 4.6km
d. 5.5 km
7.(Two)2 meters down as referred by of an object that travels 5 meters left then ,2 meters up and 5
meters right is the
.
a. distance
b. displacement
c. point of reference
d. speed
8. Ana is sitting very still in the chair in front of the door, but Elsa claims that Ana is actually moving,
it is TRUE if the point of reference is the
.
a. chair
b. door
c. Elsa
d. floor
9. The initial position of the ball is zero, every 5 seconds it travels 5 meters, What is the position of
the ball at 10 seconds?
a. 0 meter
b. 5 meters
c. 10 meters
d. 15 meters
10. In every 5 seconds the distance travelled by an object increases to 10 meters, what is distance of
an object in 20 seconds?
a. 10 meters
b. 20 meters
c.30 meters
d. 40 meters
11. How do light travel?
a. at same distance
b. at same speed c. at same direction d. at same time
12. Sound best travels in
.
a. gases
b. liquids
c. solids
d. all of the above
13. Speed of sound is dependent on several factors, which is NOT included?
a. atmospheric pressure c. atmospheric temperature
b. relative humidity
d. None of the above
14. White light undergoes dispersion, when it passes through a
a. curve path
b. dark path c. prism
d. straight path
15. Which of the following waves doesn’t require a medium to travel?
a. electromagnetic waves
c .longitudinal waves
b. Surface waves
d. Transverse waves
16.Which among the waves below are NOT sent out by earthquakes.
a. electromagnetic waves
c .longitudinal waves
b. Surface waves
d. Transverse waves
17. When wavelength increases, frequency
.
a. increases b. decreases
c. remains
d. None of the above
18. The number of waves that pass in by in a second is known as the wave’s
.
a. amplitude
b. frequency
c. speed
d. wavelength
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19. The wavelength is represented by which letter?
a. A
b. B
c. C
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d. D
0
20. If you are on a boat in the trough of a wave on the ocean, and the wave amplitude is 1 m, what
is the wave height from your position?
a. 1 m
b. 2 m
c. 3m
d.4m
21. A sound wave is a
.
a. electromagnetic wave b. longitudinal wave
c. surface wave
d.. transverse wave
22. If the energy in a longitudinal wave travels from south to north, the particles of the
medium vibrates
.
a. east and west
b. west and east
c. north and south d. south and north
23. The energy carried by sound can easily transfer thus sound travels in solids
.
a. the fastest
b. the slowest
c. undetermined speed
d. with varying speed
24. Which of the following objects will produce sound?
a. soft objects
b. pressured objects
c. radio stations
d. vibrating objects
25. What do you think is the importance of sound?
a. for communication
b. for entertainment
c. for signaling
d. All of the above
26. When you plucked each rubber band of your sounding box, What is produced?
a. air
b. Sound
c. no effect
d. None of the above
27. The human voice is produced in the
.
a. esophagus
b. pharynx
c. larynx
d. Trachea
28. Which is TRUE about the sound production in the human voice?
a. all person have the same voice quality
b. each person has a unique quality of voice
c. females have the same quality of voice
d. Males have the same quality of voice
29. Larynx in Layman’s term is called
.
a. sounding box
b. Throat
c. voice drum
d. Voice box
30. How do organisms produce sounds?
a. They use certain parts of their body
c. They vibrates
b. When they are touched by humans
d. None of the above
31.How would you describe the sounds produce by the bats?
a. infrasonic b. ultrasonic
32. In ROYGBIV, which color of light carries the highest energy?
a. blue
b. green
c. orange
d. red
33. Among all electromagnetic waves, which has the highest frequency?
a. infrared radiation b.gamma rays
c. ultraviolet light
d.radio wave
34.How would you compare violet light from red light in a vacuum?
a. both have the same frequency
c. both travel at the same speed
b. both have the same wavelength
d. red light has greater speed than violet light
35. Light travels slowest in
.
a. alcohol
b. air
c. glass
d. plastic
36 It is a proof that light travels in a straight line.
a. bending of light b. dispersion of light
c. formation of shadows
c. reflection of light
37. A grade 7 learner conducted an investigation to determine the effect of distance from a light
source to illumination. She decided to conduct an experiment using various light sources mounted at a
fixed distance. What makes his experimental design INCORRECT?
a. the independent variable is distance from light source and must be varied by the learner
b. the type of light source must be the same throughout the experiment
c. the different light sources must be placed at the different distances.
d. both a and b are correct
38. What certain experiment would you create to prove that light travel on a straight line?
a. a bent pipe
b. an improvised photometer
c. a straight pipe d. none of the above
39.Brightness of light depends on
, which is NOT included?
a. distance
b. object
c. person’s perceptiond. source
40.Which of the following statements is TRUE about the effect of distance and the surface
temperature on the apparent brightness of the stars
a. the closer the star, the higher its apparent brightness
b. the farther the star , the higher its apparent brightness
c. the higher the temperature of the star, the higher its apparent brightness
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d. both a and c are correct.
41.How light intensity varies with the distance of its source?
a. the shorter the distance, the higher the intensity of light
b. the shorter the distance, the shorter the intensity of light
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