Republic of the Philippines
Department of Education
Region VII, Central Visayas
Toledo City Division
Cluster 9
AWIHAO NATIONAL HIGH SCHOOL
Awihao, Toledo City
THIRD PERIODICAL TEST in SCIENCE 7
Instructions: Read and understand each question carefully. Choose and write the letter of the correct
answer on your answer sheet. Erasures are strictly not allowed. (48 points)
1. You can measure _____ by dividing distance over time.
a. motion
b. position
c. speed
d. velocity
2. When runners are running around a track, they are constantly changing their _____.
a. motion
b. speed
c. velocity
d. force
3. _____ is when there is a change in an object's position as compared to other objects around it.
a. motion
b. position
c. speed
d. velocity
4. An object's location is its _____.
a. force
b. motion
c. velocity
d. position
5. The measure of an object's speed in a certain direction is its ________.
a. force
b. position
c. speed
d. velocity
6. Which runner is the slowest?
a. Runner 1 b. Runner 2 c. Runner 3 d. None of the runners
7. North, south, east, west, right, left, up and down are all words used to describe _____.
a. direction b. motion
c. position
d. speed
8. This refers to the rate of change in speed or velocity of an object.
a. distance
b. acceleration
c. displacement
d. speed
9. Which of the following is NOT correct about waves?
a. Waves carry energy from place to place but the particles do not move with the waves.
b. Waves can be classified as either electromagnetic or mechanical.
c. Waves have the capacity to transmit messages.
d. Waves transfer particles (matter) energy.
10. What do you call the height of a wave which also describes the energy carried by a wave.
a. crest
b. frequency
c. amplitude
d. wavelength
11. What do you call the highest point of a wave?
a. crest
b. trough
c. frequency
d. wavelength
12. What do you call the lowest point of a wave?
a. crest
b. trough
c. frequency
d. wavelength
13. What do you call the number of waves passing a point in a second?
a. crest
b. frequency
c. amplitude
d. wavelength
14. What causes an echo?
a. sound waves bouncing off large, hard surfaces
b. sound waves bouncing off carpet
c. sound waves bouncing off tables and chairs
d. you repeating yourself
15. Which of the following objects will produce sound?
a. soft objects
b. radio stations
c. vibrating objects d. objects under pressure
16. A sound wave is a_______.
a. longitudinal wave b. transverse wave
c. standing wave
d. shock wave
17. Compared to a thin string of the same length and tightness, a thick string produces sounds of _______.
a. the same pitch
b. lower pitch
c. higher pitch
d. lower then higher pitch
18. Which of the following best describes a high frequency sound? It has _____.
a. low pitch
b. high pitch
c. low energy
d. A and C
19. Which of the following is not capable of transmitting sound?
a. air
b. water
c. a steel
d. a vacuum
20. An ________ is a reflected sound.
a. Vibration
b. Echo
c. Pitch
d. Volume
21. Sound waves travel the FASTEST through _____________.
a. gases
b. liquids
c. solids
d. vacuum
22. Sound waves travel the SLOWEST through _____________.
a. gases
b. liquids
c. solids
d. vacuum
23. This part of the ear is vibrated by sound waves. It is a lightly stretched membrane that is the entrance
to the middle ear.
a. Pinna
b. Ear Drum
c. Hammer
d. Cochlea
24. _________ is a form of energy that travels through the air.
a. sound
b. volume
c. energy
d. wave
25. Sound travels FASTEST through which of these materials?
a. Air
b. Empty space
c. Metal
d. Water
26. Sound will travel slowest through which of the following forms of matter?
a. milk
b. desk
c. air
d. door
27. Sound is a form of _________________ that travels as waves through a ________________.
a. light/ transparency
b. energy/ vibration
c. energy/ medium
d. frequency/ medium
28. Which of the following statement is TRUE?
a. Sound travels fastest through gases, slowest in liquids.
b. Sound can travel fastest in air with the speed of 331 m/s that water with 1,440 m/s
c. Sound travel fastest through solids, faster in liquid, and slowest through gases.
d. Sound is the only wave that can travel in a vacuum.
29. ___________ is made when something vibrates
a. light
b. sound
c. drum
d. pounding
30. How does light move?
a.
b.
c. straight line
d.
31. What it is called when the light bounces off surface at same angle it hits.
a. reflection b.
c.
d.
32. A material through which objects appear blurry
a. opaque
b. transparent
c. translucent
d. convex
33. A material through which light does not pass
a. opaque
b. transparent
c. translucent
d. convex
34. A material through which objects can be seen clearly
a. opaque
b. transparent
c. translucent
d. convex
35. Where do light travels?
a. gas
b. liquid
c. solid
d. all of the above
36. How does heat travel through the pan? Heat travels through the pan by _______.
a. radiation b. dispersion
c. convection
d. conduction
37. This is an example of
a. convection b. conduction
c. radiation
d. none of the above
38. What do you call an instrument that measures the electric current?
a. voltmeter b. ammeter
d. infrasonic
d. ultrasound imaging
39. As water begins to boil in a kettle, the hotter water at the bottom of the kettle closest to the stove
begins to rise and the cooler water above sinks and warms. This is an example of
.
a. conduction b. radiation
c. convection
d. heat
40. A closed path that electric current follows
a. voltage
b. current
c. resistance
d. circuit
41. A bulb is the source of electricity in a flashlight
a. True
b. False
c. Undecided
d. All of the above
42. What is a circuit?
a. A pathway that electricity flows in. It has a load, wire, and a puppy.
b. A pathway that protons flow in. It has a load, wire, and a power source.
c. A pathway that electricity flows in. It has a resistor, wire, and a power source.
d. A pathway that electricity flows in. It has a load and wire.
Test II. Labeling
43-48. Label the parts of the ear.
Middle Ear
Inner Ear
Eustachian Tube
Ear Canal
Pinna
Eardrum
45.
44.
48.
47.
43.
46.
Prepared by:
Ms. Lissa Mae T. Macapobre
Grade 7 – Science Teacher