Republic of the Philippines
Department of Education
Caraga Administrative Region
Division of Butuan City
AUPAGAN NATIONAL HIGH SCHOOL
Aupagan, Butuan City
Science 8
1st Quarter Pre-test
Direction: Encircle the correct answer.
1. According to this law states that for every action there is an equal and opposite reaction.
a. Law of Inertia
b. Law of Acceleration c. Law of Action- reaction
d. L:aw of motion
2. An object at rest tends to stay at rest and an object in motion tends to stay in motion in a straight line at a steady
speed until an unbalanced force acts upon it.
a. Law of Inertia
b. Law of Acceleration c. Law of Action- reaction
d. L:aw of motion
3. Who was the scientist that gave us the laws of motion?
a. Aristotle
b. Sir Isaac Newton
c. Albert Einstein
d. Charles Darwin
4. What is another name for the newtons first law of motion?
a. Law of Inertia
b. Law of Acceleration c. Law of Action- reaction
d. L:aw of motion
5. If two people are pulling against each other with forces of 500 N and 600 N, there is an ______.
a. Balanced force
b. unbalanced force
c. no motion
d. at rest
6. If you push on a wall with a force of 10 newtons, the acting on you is?
a. 5 Newtons
b. 1 Newton
c. 20 Newtons
d. 10 Newtons
7. The acceleration of an object depends on the mass of the object and the amount of force applied.
a. First Law
b. Second Law
c. Third Law
d. None of the above
8. What is the formula for work?
a. Force x distance
b. distance / force
c. force/ distance
d. mass x acceleration
9. What is the relationship between work, force and distance?
a. Work is that you get when a force acts over a certain distance. Therefore, without distance or force there
would be no work
b. Work and distance are related because force is acted over a long distance
c. Without work you do not have force
10. What are the units of work?
a. Watts and Joules b. Dollars and Euros
c. Newton, meter and joules
d. newton and kilogram
11. If you exert a force of 800 Newtons and the object moves 10 meters how much work did you do?
a. 8,000 joules
b. 80 joules
c. 80, 000 joules
d. 10 joules
12. What is energy and how does it relate to work?
a. Energy is the ability to do work or make work and without it work not is done
b. Energy causes a change and work is needed for energy to happen.
c. Energy is the ability to do work or cause a change and work is the transfer of energy
13. What are the differences between Kinetic and Potential energy?
a. Kinetic energy is the energy of motion, and potential energy is stored energy
b. Potential energy is the energy of weight and kinetic energy is the energy of nuclear atoms
c. Potential energy is the energy of speed and kinetic energy is the stored energy
14. Examples of Potential Energy are?
a. Gravielastic energy and joules
b. Gravitational energy which is dependent on the height of the object
c. Nucleus potential energy, depending on the amount of nucleus power
15. Sound travels best through ______________.
a. Water
b. air
c. solids
d. liquid
16. Sound moves in ___________ directions.
a. One
b. all
c. two
d. no
17. _________ is the highness or lowness of a sound.
a. Volume
b. tension
c. pitch
d. noise
18. A movement back and forth that produces sound is called ____________.
a. Vibration
b. sound
c. air
d. tension
19. __________ is an organized patterns of sound.
a. Pitch
b. rhythm
c. noise
d. vibration
20. The speed of the vibration is called
a. Pitch
b. rhythm
c. frequency
d. sound
21. The amount of the force placed on an object that affects how tight or loose it is called _________.
a. Tension
b. speed
c. energy
d. air
22. In a normal eye, light rays converge on the _______
a. Lens
b. retina
c. Iris
d. pupil
23. Einstein called particles in the form of light _____________
a. Light packets
b. quantums
c. photons
d. electromagnetic radiation
24. When waves in phase combine, it is called ____________.
a. Destructive combination
c. constructive interference
b. constructive combination
d. destructive interference
25. What 3 colors of light would produce white light?
a. Red, orange and yellow
c. red, green and blue
b. Red, yellow and blue
d. red, blue and violet
26. How much a wave will bend depends on _________
a. The wavelength of light in both materials
b. The radiation given off in both materials
c. The speed of light in both materials
27. Light is best described as a ______________.
a. Particle
b. wave
c. particle and wave
d. point and wave
28. Convex mirror are thicker in the middle so they cause light rays to ___________.
a. Converge
b. diverge
c. convergence
d. divergence
29. What is temperature?
a. The average kinetic energy of all the molecules in a substance
b. The average potential energy of all the molecules in a substance
c. All of the above
30. What is the absolute 0? Has it ever been reached?
a. Lowest possible temperature and it has never been reached
b. Highest possible temperature and it has been reached
c. Lowest possible temperature and it has been reached
31. If the heat energy is high then the velocity is __________, avg KE is ________temp is _______.
a. High
b. low
c. moderate
d. none of the above
32. Ift the heat energy is low then the velocity is __________, avg KE is ________ temp is _______ .
a. High
b. low
c. moderate
d. none of the above
33. At what degrees Fahrenheit does water boil? How about melt/ freeze?
a. Boil at 212 o F;melt/freeze at 32 o F
c. Boil at 200 o F;melt/freeze at 30 o F
o
o
b. Boil at 312 F;melt/freeze at 37 F
d. Boil at 212 o F;melt/freeze at 36 o F
34. At what degrees Celsius does water boil? How about melt. Freeze?
a. Boil at 100 o F;melt/freeze at 0 o C
c. Boil at 105 o F;melt/freeze at 20 o C
o
o
b. Boil at 100 F;melt/freeze at 10 C
d. Boil at 100 o F;melt/freeze at 1 o C
35. Subatomic particles responsible for electric force______.
a. Proton
b. electron
c. iron
d. ion
36. Element considered to be a good semiconductor
a. Zinc
b. silicon
c. iron
d. metal
37. What are the components required to complete a circuit?
a. Penny, steel nail, paper clip
c. sting, plastic, pen cap
b. Voltage, resistance, amperes
d. light bulb, battery, switch
38. The element that works best as the core of an electromagnet ____________.
a. Zinc
b. iron
c. silicon
d. gold
39. Components of Ohm’s Law
a. Penny, steel nail, paper clip
c. sting, plastic, pen cap
b. Voltage, resistance, amperes
d. light bulb, battery, switch
40. Type of battery that is cylindrical shape and consist of solid carbon rod surrounded by and electrolyte
a. Dry cell
b. lithium ion
c. lead acid
d. nickel metal
Prepared by:
MARICRES A. FABIANO
SST-1