Republic of the Philippines
Department of Education
Division of Leyte
PALO NATIONAL HIGH SCHOOL – PAWING ANNEX
Pawing, Palo, Leyte
FIRST QUARTER EXAMINATION IN SCIENCE 8
I.
Choose the letter of the correct answer.
1. This is a component of force that refers to the amount of matter in an object.
a. Speed
b. Mass
c. Acceleration
d. Velocity
2. These are the sub-atomic particles that are responsible for electricity.
a. Proton
b. Neutron c. Photon
d. Electron
3. This refers to the shortest path an object can take to get from Point A to Point B.
a. Distance b. Acceleration
c. Displacement
d. Velocity
4. This refers to the sum total amount of all forces acting on an object at a given time.
a. Normal Force
b. Net Force
c. Friction
d. Gravity
5. What do we call the reflection of sound?
a. Reverb
b. Echo
c. Refraction
d. Volume
6. Which of the following scientists is responsible for creating the first battery?
a. Alessandro Volta
c. Michael Faraday
b. Andre Marie Ampere
d. Georg Simon Ohm
7. What do we call the explosion created when a traveling object breaks the sound
barrier?
a. Sound Wave
b. Sound Barrier
c. Sonic Boom
d. Amplitude
8. This refers to how fast an object is travelling.
a. Speed
b. Velocity c. Acceleration
d. Displacement
9. This law of motion refers the interaction between forces.
a. Inertia
b. Acceleration
c. Interaction
d. Reverberation
10. Which scientist designed the first electrical motor and modern generator?
a. Benjamin Franklin
c. Michael Faraday
b. Georg Simon Ohm
d. Hans Christian Oersted
11. This refers to the property of a material to resist the flow of electrons.
a. Resistance
b. Voltage c. Current
12. This refers to the capacity to do work.
a. Power
b. Force
c. Energy
d. Pressure
d. Charge
13. If you see white object, what do you think is the color reflected into your eyes?
a. Black
b. White
c. All Colors
d. None
14. Based on the Electromagnetic Spectrum, what are the three primary colors of light?
a. Red, Blue, Yellow
c. Yellow, Green, Violet
b. Red, Blue, Green
c. Indigo, Orange, Blue
15. This refers to the flow of electrons in a conductor.
a. Resistance
b. Voltage
II.
c. Current
d. Charge
Solve for the missing values. (5 points each)
A. A forklift exerts a force of 1500 N on a create to move it to a warehouse about 72
meters away. How much work will be done on the crate?
B. At a height of 225 meters, an adrenaline junkie with a mass of 60 kilograms jumps
from a cliff. With the acceleration due to gravity being 9.8 m/s 2, how much potential
energy can the diver generate?
C. With a mass of 1200 kg, how much force can a bulldozer generate if it is accelerating
at 13 m/s2?
Prepared By:
JAY VIEN MARK E. DULOSA
Science Teacher