Republic of the Philippines
Department of Education
SCHOOLS DIVISION OF CALAPAN CITY
MANAGPI NATIONAL HIGH SCHOOL
FOURTH QUARTERLY TEST
SCIENCE 9
S.Y.2022-2023
Direction: Choose the letter of the correct answer. Write your answers on a separate sheet of paper.
1. Which of the following is composed of the two linear motions of a projectile?
A. horizontal and circular motion
C. horizontal and vertical motion
B. vertical and circular motion
D. vertical and curvilinear motion
2. Which of the following is the shape of the trajectory of a projectile?
A. circular
B. elliptical
C. hyperbolic
D. parabolic
3. Which of the following is NOT a projectile motion problem?
A. A car is moving towards the east.
B. A cannon ball shot towards a castle wall.
C. A baseball is thrown from right field to second base.
D. A volleyball is served at an angle of 35° above the ground.
4. An object is dropped from rest. Neglecting the effect of air resistance, what happens to its speed as it
moves downward?
A. increases
B. decreases
C. becomes zero
D. stays constant
5. What do you call the path followed by an object under projectile motion?
A. project
B. projectile
C. target
D. trajectory
6. What happens to the vertical velocity of an object as it travels through the air?
A. changes continuously
C. gradually increases
B. gradually decreases
D. remains the same
7. What happens to the horizontal velocity of an object as it travels through the air?
A. changes continuously
C. gradually increases
B. gradually decreases
D. remains the same
8. At what angle should a water hose be aimed for the water to land with the greatest horizontal range?
A. 10°
B.25 °
C. 45°
D. 80 °
9. If a stone is horizontally launched at a certain height, how do you describe the magnitude of its vertical
velocity as it approaches the ground?
A. cannot be determined
C. gradually increasing
B. gradually decreasing
D. remains the same
10. A stone is just released from the window of a train moving along a horizontal straight track. The stone
will hit the ground following:
A. hyperbolic path
B. straight path
C. circular path
D. parabolic path
11. A bullet is dropped from the same height when another bullet is fired horizontally. How will the two
bullets reach the ground?
A. simultaneously
C. one after the other
B. depends on the observer
D. none of the above
12. A bomb is dropped from an airplane moving horizontally at a constant speed. When air resistance is
taken into consideration, the bomb ____________.
A. flies with the airplane
C. falls to Earth ahead of the plane
B. falls to earth behind the airplane D. falls to earth exactly below the airplane
13. A particle moves in a plane with constant acceleration in a direction from the initial velocity. The
path of the particle will be ____________.
A. a parabola
B. an ellipse
C. a straight-line
D. an arc of a circle
Championing Human Aspirations with Respect, Modesty, Empathy and Dynamism -CHARMED MNHS
Managpi National High School
Calapan City Oriental Mindoro
0956-538-6689 / 0917-656-2178
301805@deped.gov.ph
Republic of the Philippines
Department of Education
SCHOOLS DIVISION OF CALAPAN CITY
MANAGPI NATIONAL HIGH SCHOOL
14. A projectile is launched at an angle of 300 above the horizontal. Neglecting air resistance, what
are the projectile’s horizontal and vertical accelerations when it reaches its maximum height?
A. Both the horizontal and vertical accelerations are zero.
B. The horizontal acceleration is zero and the vertical acceleration is -9.81 m/s2.
C. The horizontal acceleration is 9.81 m/s2 and the vertical acceleration is zero.
D. Both the horizontal and vertical accelerations are 9.81 m/s2.
15. A ball is thrown at an angle of 380 about the horizontal. What happens to the magnitude of the
ball’s vertical velocity during the time interval that the ball is in the air?
A. It decreases, then increases.
C. It remains the same.
B. It decreases, then remains the same.
D. It increases, then decreases
16. A baseball player throws a ball horizontally (at an angle of 0o). Which statement best describes the
ball’s motion after it is thrown? (Neglect air resistance)
A. Its vertical speed remains the same, and its horizontal speed remains the same.
B. Its vertical speed increases, and its horizontal speed increases.
C. Its vertical speed increases and its horizontal speed remains the same.
D. Its vertical speed increases and its horizontal speed decreases
17. A stand holds two white balls, A and B. At the same instant, ball A is dropped straight down, and ball
B is shot straight out. Which ball will hit the ground first? (Neglect Air resistance)
A. ball A
C. both balls will not reach the ground.
B. ball B
D. both balls will reach the ground at the same time.
18. Consider a plane moving at a constant speed at an elevated height above the Earth's surface.
During its flight, the plane drops a package from its luggage compartment. Where will the
luggage land be concerning the plane?
A. directly below the plane
C. behind the plane
B. in front of the plane
D. none of the above
19. Which of the following describes momentum?
A. mass times its velocity.
C. force times its acceleration.
B. force times the time interval.
D. bass times its acceleration.
20. Which has more momentum, a heavy truck moving at 30 km/h or a light truck moving at 30
km/h?
A. heavy truck
C. both have the same momentum
B. light truck
D. cannot be determined.
21. What is impulse?
A. the change in volume of an object
B. the change in momentum of an object
C. the original momentum of the object
D. a force applied to an object for some time.
22. Which of the following would describe momentum?
A. p=mv
B. p=m/v
C p=v/t
D. p=F/t
23. What is the impulse of an object moving with constant momentum?
A. 0
B. 1
C. the same with momentum
D. none of these
24. Which of the following is the purpose of the airbag on a car?
A. decrease the time of impact.
B. increase the time of impact
C. increase the force of impact
D. decrease the impulse during the impact.
25. The total momentum of the two objects before the collision is 15 kg m/s. Which of the following
will be their total momentum after collision?
A. 15 kg m/s
B. 30 kg m/s
C. 7.5 kg m/s
D. 60 kg m/s
26. A heavy truck and a car had a head-on collision. Which of the following is true?
A. The car would experience greater impact force.
B. The truck would experience greater impact force.
C. The truck and the car would have the same acceleration
D. The total momentum of the truck and car remains the same after the collision
Championing Human Aspirations with Respect, Modesty, Empathy and Dynamism -CHARMED MNHS
Managpi National High School
Calapan City Oriental Mindoro
0956-538-6689 / 0917-656-2178
301805@deped.gov.ph
Republic of the Philippines
Department of Education
SCHOOLS DIVISION OF CALAPAN CITY
MANAGPI NATIONAL HIGH SCHOOL
27. Two swimmers relax close together on-air mattresses in a pool. One swimmer’s mass is 48 kg, and the
other’s mass is 55 kg. If the swimmers push away from each other:
A. their momentum triples
C. their momentum decreases
B. their momentum doubles
D. their momenta are equal but opposite
28. Which of the following statements describes momentum?
A. It is the product of the body’s mass and velocity.
B. It is the product of the body’s mass and acceleration.
C. It is the sum of the body’s mass and velocity.
D. It is the sum of the body’s mass and acceleration
29. Two billiard balls approach each other at equal speed. If they collide in a perfectly elastic collision,
what would be their velocities after collision?
A. zero
C. same in magnitude but opposite in direction
B. same in magnitude and direction
D. different in magnitude and opposite in direction
30. Two marbles with a total mass of 20 kg have an initial momentum of 100 kg. m/s. If the marbles
stick together after the collision, what is the final velocity of the marbles?
A. 5 m/s
B. 80 m/s
C. 120 m/s
D. 2, 000 m/s
31. What is the unit for momentum?
A. kg. m/s
B. Nkg
C. kg. /s2
D. Nm/s
32. What word can best describe the total momentum in an isolated system?
A. conserved
B. large
C. lost
D. low
For nos. 33 & 34. Two 0.5 kg balls approach each other with the same speed of 2.0 m/s.
33. What is the total momentum of the system before the collision?
A. 0
B.0.50 kg. m/s
C. 1.0 kg. m/s
D.-1.0 kg. m/s
34. If no external force is acting on the system, what is the system's total momentum after collision?
A. 0
B.0.50 kg. m/s
C. 1.0 kg. /s
D.-1.0 kg. m/s
35. Calculate the momentum of a car, which has a mass of 1000 kg and moves at a velocity of 2 m/s.
A. 500
B. 1, 002
C. 2000
D. 9 980
36. The total momentum of two objects before the collision is 175 kg. m/s. What will be their total
momentum after collision?
A.50 kg. m/s
B. 350 kg. m/s
C. 175 kg. m/s
D. not enough information
37. What is the law of conservation of mechanical energy state?
A. Potential energy is always equal to kinetic energy.
B. Potential energy is always converted to kinetic energy.
C. There is always some energy lost as heat.
D. For any system the total amount of mechanical energy remains the same.
38. Why would a system have less energy than it originally started with?
A. The energy was lost as heat.
B. The energy was destroyed.
C. More energy was created at the beginning than at the end.
D. The temperature was too low to create heat.
39. Which best describes potential energy?
A. energy of motion
B. energy as heat
C. stored energy
D. energy that is doing work
40. What happens to the energy of a coconut that falls freely?
A. gains potential and loses kinetic energy
B. gains both potential and kinetic energy
C. loses potential and gains kinetic energy
D. loses both potential and gains kinetic energy
41. The wind-up toy that is fully wound and at rest possesses
A. potential but no kinetic
B. kinetic but no potential energy
C. neither potential and kinetic energy
D. both potential and kinetic energy in equal amounts
Championing Human Aspirations with Respect, Modesty, Empathy and Dynamism -CHARMED MNHS
Managpi National High School
Calapan City Oriental Mindoro
0956-538-6689 / 0917-656-2178
301805@deped.gov.ph
Republic of the Philippines
Department of Education
SCHOOLS DIVISION OF CALAPAN CITY
MANAGPI NATIONAL HIGH SCHOOL
42. What is the energy of a motorcycle moving slowly at the top of a hill?
A. entirely kinetic
C. entirely gravitational
B. entirely potential
D. both Kinetic and Potential
43. Which of the following statements is true?
A. The principle of the conservation of mechanical energy states that the total mechanical
energy in a system remains constant if only the forces acting are conservative.
B. Total energy is conserved for every system of particles on which external work is done.
C. Some kinetic energy of an object will not be transformed into potential energy and other
forms of energy.
D. Total energy is not conserved for every system of particles.
44. The total mechanical energy of the object at the highest point compared to its total mechanical
energy at the lowest point is
A. lesser
B. greater
C. equal
D. does not relate
45. Heat is added to our body by metabolizing food, and our body does work in breathing, walking, and
activities. If we return to the same state at the end of the day, how will you describe the work and heat
of our body?
A. The amount of heat is equal to the work done.
B. Internal energy is zero.
C. both a and b
D. Work done is greater than the heat added.
46. What happens to internal energy when both heat transfer (Q) and work done (W) are equal?
A. The internal energy is equal to the difference between heat and work increases
B. The internal energy is equal to the sum of heat and work decreases
C. The internal energy remains the same.
D. The internal energy has no net charge and is not affected
47. Which of the following is an example of work converted into heat?
A. heat engine
B. hand rubbing
C. gas stove
D. hot air balloon
48. What happens to the molecules in the balloons when heated?
A. molecules collide into the balloon with more energy
B. molecules freeze into the balloon with less energy
C. molecules collide into the balloon with less energy
C. molecules freeze into the balloon with no energy
49. What is the net change in internal energy (ΔU) if the amount of work done (W) is the same as the
amount of energy transferred in by heat (Q)?
A. The net internal energy is zero.
B. The net internal energy is 1.
C. The net internal energy is 100.
D. The net internal energy cannot be determined.
50. How do heat and work affect a system?
A. heat and work affect the system with a negligible impact
B. heat and work do not affect the total internal energy of a system
C. heat and work both contribute to the total internal energy of a system
D. without heat and work, there will be no internal energy in the system
51. Which of the following is NOT correct?
A. Heat is a form of energy.
B. Heat and work are related.
C. Work is measured in joules.
D. Heat cannot be completely converted into work.
52. A system’s internal energy can be changed by transferring energy by either work, heat, or a
combination of the two. What Law explains the system?
A. Law of Heat
C. First Law of Thermodynamics
B. Internal Energy Law
D. Second Law of Thermodynamics
Championing Human Aspirations with Respect, Modesty, Empathy and Dynamism -CHARMED MNHS
Managpi National High School
Calapan City Oriental Mindoro
0956-538-6689 / 0917-656-2178
301805@deped.gov.ph
Republic of the Philippines
Department of Education
SCHOOLS DIVISION OF CALAPAN CITY
MANAGPI NATIONAL HIGH SCHOOL
53. What energy transformation takes place in a generator?
A. electrical to mechanical
C. mechanical to electrical
B. heat to mechanical
D. chemical to electrical
54. During which stage is a generator used to provide electricity to consumers?
A. generation stage
B. distribution to individual consumers
C. transmission from the power plant to a substation
D. transmission from the substation to the local distribution
55. Which of the following is the correct sequence in the process of generating electrical energy in
power plants?
A. turbine- source -generator -electrical energy
B. source -turbine -generator -electrical energy
C. turbine -source –generator- electrical energy
D. source- generator -turbine -electrical energy
56. During which stage is a pole transformer used to provide electricity to consumers?
A. generation of electricity
B. distribution of individual consumers
C. transmission from the power plant to a substation
D. transmission from the substation to the local distribution
57. Which of the following devices raises voltage so that it can travel long distances?
A. power plant
B. pole transformer
C. step-up transformer
D. step-down transformer
58. Give the correct order of transmission and distribution of electrical energy to consumers.
1. Distribution Substation 2. Power Plant 3. Transmission Station 4. Consumers
A. 1 2 3 4
C. 2 3 1 4
B. 4 3 2 1
D. 3 2 1 4
59. What happens to the voltage that travels from the source to the household?
A. The voltage is stepped-up before being distributed to consumers.
B. The voltage is lowered during transmission.
C. The voltage is stepped-up for transmission and step down before being distributed.
D. The voltage is stepped down for transmission and stepped up before being distributed.
60. Cathy turned on a lamp switch in her room. Which of the following is the correct path of electrical
power that can be traced back to the source?
A. power plants ⇒electric meter ⇒national grid ⇒ residences
B. power plants ⇒distribution substations ⇒national grid ⇒ residence
C. power plants ⇒distribution substation ⇒transmission substations⇒residences
D. power plant ⇒transmission substations ⇒distribution ⇒substations⇒residences
Championing Human Aspirations with Respect, Modesty, Empathy and Dynamism -CHARMED MNHS
Managpi National High School
Calapan City Oriental Mindoro
0956-538-6689 / 0917-656-2178
301805@deped.gov.ph