Grade 5 Science – Sound Energy Quiz

1. Which two materials can be used to protect us from sound pollution

earmuffs, ear plugs
covering ears with our hands
polythene papers
covering our hands
Explanation:

2. Name one action that can be performed to produce sounds

stopping a vibrating string
clapping hands p
scratching a surface
listening
Explanation:

3. The highness or lowness of sound is called

voice
frequency
volume
Pitch
Explanation:

4. The loudness or softness of sound is called

decibels
volume
frequency
waves
Explanation:

5. Sound travels fastest in.

dust
air
solids
water
Explanation:

6. Sound travels in..

circles
waves
straight lines
decibels
Explanation:

7. Sound is produced by

vibrations
U.V rays
transformation
yelling
Explanation:

8. What is vibration?

the loudness or softness of a sound
the back and forth movement of matter
how high or low a sound is
how loud a sound is
Explanation:

9. What is frequency?

the back and forth movement of matter
the loudness or softness of a sound
the number of vibrations per second
how high or low a sound is
Explanation:

10. Measure of how high or low a sound is

pitch
amplitude
speed of sound
compression
Explanation:

11. A longer string makes a _______ pitch than a short string.

softer
lower
louder
higher
Explanation:

12. Sound is a form of?

pitch
energy
matter
volume
Explanation:

13. What type of materials REFLECT sound?

porous materials
smooth materials
hard materials
both hard and smooth materials
Explanation:

14. The ___________________ is how loud or soft a sound is.

frequency
echo
volume
pitch
Explanation:

15. In which medium will sound travel slowest?

air
glass
water
salt water
Explanation:

16. Which of the following determines the pitch of a sound wave?

reflection
density
frequency
mass
Explanation:

17. Why is the school library covered with carpet?

because it looks good
to help absorb sounds so it can stay noisy
So everyone can make a lot of noise
to help absorb sounds to keep it quiet
Explanation:

18. n which medium will sound travel fastest?

air
glass
salt water
water
Explanation:

19. If you walk into an empty gym and yell, why would you hear an echo?

The sound waves are bouncing off the hard smooth gym walls.
The gym walls are soft and uneven.
The sound waves are being absorbed by the hard smooth walls.
The gym walls are really clean.
Explanation:

20. How can you create a low pitch sound on a violin?

Play the guitar
Pluck the thinnest string
Pluck all the strings once together
Pluck the thickest string
Explanation:

21. Destiny hits a symbol with her drumstick and makes it vibrate. She then puts her hand on the symbol and stops the vibration. What happened to the sound of the symbol?

The sound stops because the vibrations have stopped.
The sound stops because her hand absorbs the sound.
The sound continues but has a lower pitch.
The sound continues but not as loud.
Explanation:

22. Yeli was at Busch Gardens. She heard a girl scream on one of the rides. What did the pitch of her voice sound like and why?

The pitch was low because her vocal chords vibrated slowly.
The pitch was high because her vocal chords vibrated quickly
The pitch was high because her vocal chords vibrated slowly.
The pitch was low because her vocal chords vibrated slowly.
Explanation:

23. A sound wave will bounce off a hard surface, we called this a _________ sound.

transmitted
reflected
no
absorbed
Explanation:

24. A sound wave that travels through a material is ________________ of sound.

transmission
none of the choices
reflection
absorption
Explanation:

25. Sound energy is a form of ________ energy.

Mechanical
Light
Heat
Electrical
Explanation:

Sound energy is a type of mechanical energy produced by vibrations.

26. Which of the following is NOT a source of sound energy?

Bird chirping
Car engine running
Lightning strike
Whistle blowing
Explanation:

Lightning produces light and heat energy, but not sound energy.

27. Sound energy travels in the form of ________.

Electromagnetic waves
Visible light waves
Gravity waves
Pressure waves
Explanation:

Sound energy is carried by pressure waves that move through a medium.

28. Which of the following is a way to increase the amplitude of sound energy?

Increase the frequency
Decrease the distance
Lower the volume
Use a louder speaker
Explanation:

Increasing the volume or using a louder speaker will increase the amplitude of sound energy.

29. The speed of sound in air is affected by ________.

Smell
Density
Temperature
Color
Explanation:

The speed of sound in air increases as the temperature increases.

30. Which part of our body helps us hear sound energy?

Ears
Skin
Eyes
Nose
Explanation:

Our ears are responsible for capturing sound waves and converting them into signals that our brain interprets as sound.

31. What unit is used to measure the intensity of sound energy?

Liters
Meters per second
Decibels
Celsius
Explanation:

Decibels are used to quantify the intensity of sound energy, with higher decibel levels indicating louder sounds.

32. When sound energy hits a solid object, it can be ________.

Reflected
Absorbed
Dissipated
Bent
Explanation:

Sound energy can bounce off solid objects and be reflected back, similar to an echo.

33. What material is a good conductor of sound energy?

Wood
Metal
Cotton
Plastic
Explanation:

Metal is a good conductor of sound energy, allowing sound waves to travel through it easily.

34. Which of the following can help reduce noise pollution from sound energy?

Play loud music
Use more loudspeakers
Plant more trees
Increase traffic
Explanation:

Trees can act as sound barriers and absorb sound energy, reducing noise pollution in an area.

35. Which of the following best describes sound energy?

It is a form of light energy
It is a form of electrical energy
It is a form of kinetic energy
It is a form of mechanical energy
Explanation:

Sound energy is a form of mechanical energy that is produced by vibrations in a medium, such as air or water.

36. In which medium does sound travel the fastest?

Air
Water
Vacuum
Solid
Explanation:

Sound travels fastest through solids because the particles in solids are closer together, allowing vibrations to pass more quickly.

37. What is the unit of measurement for sound intensity?

Coulomb
Watt
Kelvin
Decibel
Explanation:

The unit of measurement for sound intensity is the decibel, which measures the loudness or intensity of sound.

38. Which of the following materials would absorb sound the best?

Cotton
Metal
Glass
Concrete
Explanation:

Cotton is a soft, fibrous material that can absorb sound waves, reducing echoes and noise.

39. What is the frequency range of human hearing?

20Hz - 20kHz
1kHz - 10kHz
10Hz - 100Hz
50Hz - 50kHz
Explanation:

The frequency range of human hearing is typically between 20Hz to 20kHz, with younger people having a higher upper limit.

40. Which of the following can affect the speed of sound?

Temperature
All of the above
Medium
Pressure
Explanation:

Factors such as temperature, pressure, and the medium through which sound travels can affect the speed of sound.

41. Which musical instrument produces sound by vibrating strings?

Guitar
Clarinet
Drums
Trumpet
Explanation:

A guitar produces sound by vibrating strings, which create sound waves that travel through the air and can be heard.

42. What is the primary medium through which sound travels in the ocean?

Solid
Water
Air
Gas
Explanation:

Sound travels primarily through water in the ocean, as water is a better medium for carrying sound waves than air.

43. What part of the ear is responsible for converting sound waves into electrical signals for the brain to interpret?

Ear canal
Earlobe
Eardrum
Cochlea
Explanation:

The cochlea is a spiral-shaped organ in the inner ear that converts sound waves into electrical signals that are sent to the brain for interpretation.

44. Which animal is known for having exceptional hearing abilities?

Snake
Bat
Elephant
Fish
Explanation:

Bats are known for their exceptional hearing abilities, using echolocation to navigate and hunt prey in the dark.