Name: _____________________________________________________ Score: ________________
1st Summative Exam in Enhanced Science 7
I. MULTIPLE CHOICE. Directions: Read each item carefully. Write your answer on the space provided before the number.
______1. It is a continuous change in position of an object with respect to a reference point.
A. At rest B. Magnitude C. Motion D. Reference
______2. When is an object considered to be in motion?
I. When its position changes with respect to a point of reference.
II. When its distance changes with respect to a point of reference.
III. When its direction changes with respect to a point of reference.
IV. When its speed changes with respect to a point of reference.
A. I only B. I and II only C. I, II and III D. I, II, III and IV
______3. Which of the following is true about an object that travels 5 meters to the left, then 2 meters up, then another 5 meters to
the right?
A. Displacement of the object is equal to 12 meters.
B. Displacement of the object is equal to 12 meters down.
C. Total distance travelled by the object is equal to 12 meters.
D. Total distance travelled by the object is equal to 12 meters down.
______4. This refers to the speed of an object at a specific moment in time.
A. Average Speed B. Constant Speed C. Instantaneous Speed D. Zero Speed
______5. If a person runs 100 meters in 10 seconds, what is his average speed?
A. 2 m/s B. 5 m/s C. 10 m/s D. 20 m/s
______6. A car traveling in a circle has changing velocity because it is_____.
A. not traveling at a constant speed B. not traveling in a constant direction
C. traveling too slowly to measure its velocity D. traveling in a constant direction at a constant speed
______7. From home, Dong walked 300 m East to visit Inday. Both Dong and Inday walked another 400 m North and 300 m West.
Which of the following statements is NOT TRUE?
A. Dong went home.
B. Dong travelled a total distance of 1,000 m.
C. Dong’s displacement is zero if they continue to travel 400 m South.
D. Dong’s displacement is shorter than the total distance he has travelled.
______8. Which of the following statements is TRUE?
I. The distance travelled by an object can be equaled to its displacement.
II. The displacement of a moving object can be greater than its distance travelled.
III. The displacement of a moving object is lesser than its distance travelled.
A. I and II B. II and III C. I and III D. I, II and III
______9. This refers to the rate of change in velocity of an object.
A. Acceleration B. Motion C. Speed D. Velocity
______10. Two boys walked a 200-meter distance path. It takes 5 minutes for Boy A to finish while 10 minutes for Boy B. How do
you compare their speed?
A. Boy B is faster than Boy A B. Boy A is slower than Boy B
C. They have the same speed D. Boy A is twice faster than Boy B
______11. Which of the following statements is correct about an object moving in a constant motion?
I. It moves with unchanging speed.
II. It moves with a changing velocity.
III. Its location and arrival is easy to predict.
IV. Its instantaneous speed values are always the same.
A. I, II, III B. I, II, IV C. I, III, IV D. II, III, IV
______12. Which of the following is the unit of acceleration?
A. m/h B. m/mi C. m/s D. m/s2
______13. Which of the following situations show that the object is accelerating?
I. A truck changing directions
II. A car speeding up in a high way
III. A moving motorcycle comes to stop
IV. A rolling ball moving with a uniform speed
A. I and II B. I and III C. I, II and III D. I, II, III and IV
______14. The table shows the velocity of the car per unit time.
Time (hour) 0 1 2 3 4 5
Velocity (kilometer 0 20 20 60 80 0
per hour)
Which of the following statements is TRUE?
A. The car is decelerating between 4-5 hours.
B. The car is accelerating between 1-2 hours.
C. The car returns to its original position after 5 hours.
D. The acceleration of the car from 2-3 hours and 3-4 hours are the same.
_______15. Refers to acceleration where a moving object slows down before it stops.
A. Average acceleration B. Constant acceleration C. Deceleration D. Instantaneous acceleration
II. TRUE OR FALSE. Directions: In your Science activity notebook, write T if the statement is TRUE and F if the statement is
FALSE. Write your answer on the space provided before the number.
______1. Kilogram is a unit for distance.
______2. The quantity 2 meters is a distance.
______3. The quantity 2 kilometers is a displacement.
______4. The quantity 2 meters to the left is a distance.
______5. The quantity 2 meters to the left is a displacement.
______6. Distance is the length of the entire path travelled by an object.
______7. Displacement includes both distance and direction of the object’s position.
______8. The displacement is equal to zero when an object’s initial and final position is the same.
______9. The shortest distance between the initial and final position of the object is called displacement.
______10. The total distance travelled of an object from its initial position to a certain position and back to its initial position is zero.
III. CALCULATION. Direction: Analyze and solve the problem below to develop your skills in problem solving. Write your answer in
the bondpaper provided. Show your solutions.
1. You decided to have a morning jog to keep your body fit. You jog 100 m East in 150 s, made a left turn and jog 150 m in 180 s,
and finally made another left turn for 100 m in 90 s.
a. What is your average speed for the entire jog?
b. What is your average velocity for the entire jog?
2. A racehorse coming out from the gate accelerates from rest to a velocity of 15 m/s West in 3 seconds. What is its acceleration?
IV. TABLE COMPLETION. Directions: Copy and complete the table by solving the missing values of the quantities. Write your
answer in the bondpaper provided. Show your solutions.
