Grade 5 Science – Sound Energy Quiz

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

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

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

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

3. The highness or lowness of sound is called

voice
volume
Pitch
frequency
Explanation:

4. The loudness or softness of sound is called

volume
waves
frequency
decibels
Explanation:

5. Sound travels fastest in.

air
solids
dust
water
Explanation:

6. Sound travels in..

circles
straight lines
decibels
waves
Explanation:

7. Sound is produced by

yelling
transformation
vibrations
U.V rays
Explanation:

8. What is vibration?

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

speed of sound
amplitude
compression
pitch
Explanation:

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

higher
softer
louder
lower
Explanation:

12. Sound is a form of?

matter
energy
pitch
volume
Explanation:

13. What type of materials REFLECT sound?

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

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

volume
pitch
frequency
echo
Explanation:

15. In which medium will sound travel slowest?

water
salt water
air
glass
Explanation:

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

density
reflection
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
to help absorb sounds to keep it quiet
So everyone can make a lot of noise
Explanation:

18. n which medium will sound travel fastest?

water
salt water
air
glass
Explanation:

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

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

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

Pluck the thickest string
Pluck all the strings once together
Play the guitar
Pluck the thinnest 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 not as loud.
The sound continues but has a lower pitch.
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 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.
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.

no
absorbed
transmitted
reflected
Explanation:

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

none of the choices
transmission
absorption
reflection
Explanation:

25. Sound energy is a form of ________ energy.

Light
Heat
Mechanical
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
Whistle blowing
Lightning strike
Explanation:

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

27. Sound energy travels in the form of ________.

Visible light waves
Electromagnetic waves
Pressure waves
Gravity 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?

Use a louder speaker
Lower the volume
Increase the frequency
Decrease the distance
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 ________.

Temperature
Density
Smell
Color
Explanation:

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

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

Skin
Ears
Nose
Eyes
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?

Celsius
Liters
Meters per second
Decibels
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 ________.

Absorbed
Bent
Dissipated
Reflected
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
Plastic
Cotton
Metal
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?

Use more loudspeakers
Play loud music
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 mechanical energy
It is a form of kinetic 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?

Water
Air
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?

Decibel
Kelvin
Watt
Coulomb
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
Concrete
Glass
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?

50Hz - 50kHz
10Hz - 100Hz
1kHz - 10kHz
20Hz - 20kHz
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?

Pressure
Temperature
All of the above
Medium
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?

Drums
Guitar
Clarinet
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?

Gas
Water
Air
Solid
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
Cochlea
Eardrum
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?

Fish
Elephant
Snake
Bat
Explanation:

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