This document appears to be a 59 question science exam covering topics in motion, forces, energy, and waves. The questions assess understanding of concepts like displacement, velocity, acceleration, Newton's laws of motion, and the nature of different types of waves. Multiple choice answers are provided for each question. Key terms assessed include scalar and vector quantities, reference points, speed, distance, displacement, force, mass, acceleration, wave properties, and wave propagation in various mediums.
1. 21/04/2023, 17:26 SCIENCE 7 - 3rd Quarter Exam
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SCIENCE 7 - 3rd Quarter Exam
59 Questions
NAME :
CLASS :
DATE :
1. 1. A car travels along a straight line from point A to point B. Which of the following is a
scalar quantity that describes the car's motion?
A acceleration B distance
C velocity D displacement
2. 2. A ball is thrown vertically upwards. Which of the following is a vector quantity that
describes the ball's motion?
A displacement B acceleration
C speed D time
3. 3. A particle moves in a circular path. Which of the following is a scalar quantity that
describes the particle's motion?
A Speed B Velocity
C Displacement D Acceleration
4. 4. An object moves with a constant velocity. Which of the following is true?
A The object is speeding up. B The object is slowing down.
C The object moves fast. D The object does not move at all.
E The object moves slow.
5. 5. During Typhoon Yolanda, the wind was blowing at a speed of 315 km/h. Which of the
following is a vector quantity that describes the typhoon?
A Momentum B Velocity
C Temperature D Speed
?
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6. 6. A car is moving east at an average speed of 60 km/h. Which of the following describes
the velocity of the car?
A 60 km/h B 60
C East D 60 km/h East
7. 7. Why is motion relative?
A
Because the direction of motion is always
changing.
B
Because the magnitude of motion varies
depending on the reference point.
C
Because motion is always measured in
two or three dimensions.
D
Because motion is always measured with
respect to a reference point.
8. 8. Mark traveled the shortest possible path within 9 minutes. However, Tram took a
longer path but reached the destination in only 5 minutes. What can be concluded from
this?
A
Mark and Tram covered the same
distance but had different displacements.
B
It is impossible to determine the distance
and displacement without more
information.
C
The distance Mark took to the
destination is equal to the displacement.
D
Mark and Tram had the same distance
and displacement.
9. 9. When you are inside a car and a car is moving at a speed of 60 km/h, are you in
motion? a. Yes, you are in motion relative to the car. b. No, you are not in motion relative
to the car. c. Yes, you are in motion relative to the road. d. No, you are not in motion
relative to the road.
A c B b
C a and c D b and c
E a
10. 10. A person walks 4 km north, then turns and walks 6 km south. What is their total
distance traveled and what is their displacement?
A
Total distance is 10 km, displacement is
10 km south
B
Total distance is 6 km, displacement is 4
km south
C
Total distance is 10 km, displacement is 2
km south
D
Total distance is 2 km, displacement is 10
km south
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19.
19. Distance
20.
20. Displacement
21. 21. What is the relationship between force, mass, and acceleration according to Newton's
Second Law of Motion?
A a = mF B F = ma
C a = F/m D m = Fa
22. 22. According to Newton's First Law of Motion, what happens to a moving object when
the net force acting on it is zero?
A The object accelerates. B The object remains at rest.
C The object decelerates. D
The object continues moving with
constant velocity.
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23. 23. According to Newton's Third Law of Motion, how are the magnitudes of the action and
reaction forces related?
A
The magnitudes of the action and
reaction forces are not related.
B
The magnitude of the reaction force is
greater than the magnitude of the action
force.
C
The magnitudes of the action and
reaction forces are equal.
D
The magnitude of the action force is
greater than the magnitude of the
reaction force.
24. 24. A car is moving at a constant speed on a straight road. When the driver suddenly
applies the brakes, the car slows down. Which Newtonian law is best described?
A Second Law B First Law
C Third Law
25. 25. A person is pushing a heavy box along a rough surface. According to Newton's Second
Law of Motion, what happens to the acceleration of the box if the person increases the
force they are applying?
A The acceleration of the box decreases. B
The acceleration of the box remains the
same.
C The acceleration of the box increases. D
The box begins to move in the opposite
direction.
26. 26. What is the standard unit of speed?
A m/s B km/s
C km/h D Dyne
27. 27. A cyclist rides a distance of 25 km in 1 hour and 30 minutes. What is his average
speed?
28. 28. A train covers a distance of 600 km in 8 hours. What is its average speed?
29. 29. A car travels a distance of 6000 km with an average speed of 60 km/h. How long did it
take to complete the journey?
30. 30. A car travels a distance of 240 km in 3 hours. What is its speed?
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31. 31. A cyclist travels a distance of 20 km in 1 hour. What is his average speed in m/s?
A 20 m/s B 5 m/s
C 5.6 m/s D 0.1 m/s
32. 32. Suppose Cagayan is to the north of Isabela. A truck travels from Cagayan to Isabela
with an average speed of 60 km/h in the first hour while for its second hour it traveled an
average speed of 80 km/h. What is its average velocity?
33.
33. Find the average speed.
34.
34. Find the average velocity.
35.
35. Find the instantaneous speed at t = 4 s.
36. 36. A cyclist starts from rest and reaches a velocity of 10 m/s in 5 seconds. What is the
cyclist's acceleration?
A 5 m/s^2 B 2 m/s^2
C 1 m/s^2 D 0.5 m/s^2
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37. 37. A train is traveling at a velocity of 20 m/s. It comes to a stop in 40 seconds. What is the
train's acceleration?
A 0.5 m/s^2 B 0 m/s^2
C -0.5 m/s^2 D -0.25 m/s^2
38. 38. What is Earth's acceleration due to gravity?
A 0.5 m/s^2 B 11 m/s^2
C 9.8 m/s^2 D 3.14 m/s^2
39. 39. An object moves with a constant acceleration of 2 m/s^2. If it starts from rest, how
much time will it take for the object to reach a velocity of 10 m/s?
A 5 seconds B 20 seconds
C 2.5 seconds D 10 seconds
40. 40. A rocket accelerates from rest at a rate of 20 m/s^2 for 10 seconds. What is its final
velocity?
A 300 m/s B 200 m/s
C 500 m/s D 400 m/s
41.
41. Calculate average speed of D.
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42.
42. At which part of the graph did the person moved fastest?
A A B C
C D D B
43.
43. Describe acceleration of the person at part C.
A Accelerating B Decelerating
C No acceleration
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44.
44. Describe the speed of the person at part B.
A speed is decreasing B at rest
C at constant non-zero speed D speed is increasing
45.
45. Suppose that at 11:00, the person has reached the average speed of part A. Assuming
that the person is at rest at 9:00 and is uniformly accelerating until 11:00, calculate
acceleration of part A.
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46.
46. At t = 50 s, the object is _____.
A decelerating B at constant velocity
C at rest D accelerating
47. 47. Sound propagates in these three mediums. List down the three of them. Example:
oxygen, carbon, nitrogen
48.
48.
49.
49.
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50.
50.
51.
51.
52. 52. Light can travel through vacuum environment. Therefore, its energy waves are
considered _______.
A electromagnetic B mechanical
53. 53. The P-waves of an earthquake are considered ______________ waves.
A longitudinal B transverse
C surface
54.
54. Identify the type of wave.
A transverse B surface
C longitudinal D electromagnetic
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55.
55. Areas with concentrated particles (blackened particles) are considered ____________.
A compression B wavelength
C rarefaction D amplitude
56.
56. On the other hand, areas with less concentration of particles (gaps between the areas
of concentration) are considered ____________.
A compression B rarefaction
C wavelength D amplitude
57. 57. Matter that waves are traveling through is called a ___________.
A medium B wavelength
C electromagnetism D energy
58. 58. Frequency — number of waves passing by a specific point per second. TRUE or FALSE?
A True B False
59. 59. What is amplitude?
A
The distance from the highest point of a
wave to the lowest point
B
The height of a wave's crest from its
resting position
C
The time it takes for a wave to complete
one cycle
D
The number of waves that pass a certain
point in one second
Answer Key
1.b 2. 3.a 4.d
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5.b 6.d 7.d 8.c
9.d 10.c 11.7 km 12.5 km North-East
13.0 m 14.0 m 15.150 m 16.50 m North
17.56 km 18.30 km South 19.17 m 20.13 m South-East
21.b 22.d 23.c 24.b
25.c 26.a 27.16.67 km/h 28.75 km/h
29.100 hours 30.80 km/h 31.c 32.70 km/h South
33.7 m/s 34.5 m/s South-East 35.7.5 m/s 36.b
37.c 38.c 39.a 40.b
41.40 km/h 42.b 43.a 44.b
45.7.5 km/h^2 46.a 47.liquid, solid, gas 48.crest
49.trough 50.amplitude 51.wavelength 52.a
53.a 54.c 55.a 56.b
57.a 58.a 59.b
