Grade 5 Science – Sound Energy Quiz

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

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

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

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

3. The highness or lowness of sound is called

frequency
voice
Pitch
volume
Explanation:

4. The loudness or softness of sound is called

waves
frequency
decibels
volume
Explanation:

5. Sound travels fastest in.

water
dust
air
solids
Explanation:

6. Sound travels in..

straight lines
waves
circles
decibels
Explanation:

7. Sound is produced by

transformation
vibrations
yelling
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?

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

10. Measure of how high or low a sound is

speed of sound
compression
amplitude
pitch
Explanation:

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

higher
lower
softer
louder
Explanation:

12. Sound is a form of?

matter
pitch
volume
energy
Explanation:

13. What type of materials REFLECT sound?

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

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

volume
pitch
echo
frequency
Explanation:

15. In which medium will sound travel slowest?

air
salt water
water
glass
Explanation:

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

mass
frequency
density
reflection
Explanation:

17. Why is the school library covered with carpet?

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
because it looks good
Explanation:

18. n which medium will sound travel fastest?

glass
salt water
air
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 sound waves are being absorbed by the hard smooth walls.
The gym walls are soft and uneven.
The gym walls are really clean.
Explanation:

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

Pluck the thinnest string
Pluck the thickest string
Pluck all the strings once together
Play the guitar
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 her hand absorbs the sound.
The sound stops because the vibrations have stopped.
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 slowly.
The pitch was high because her vocal chords vibrated quickly
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
reflected
transmitted
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.

Heat
Light
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
Lightning strike
Whistle blowing
Explanation:

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

27. Sound energy travels in the form of ________.

Gravity waves
Electromagnetic waves
Visible light 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?

Decrease the distance
Increase the frequency
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 ________.

Temperature
Color
Density
Smell
Explanation:

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

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

Nose
Eyes
Ears
Skin
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
Decibels
Liters
Meters per second
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
Dissipated
Absorbed
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?

Cotton
Plastic
Metal
Wood
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?

Plant more trees
Use more loudspeakers
Increase traffic
Play loud music
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 electrical energy
It is a form of light 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?

Water
Solid
Vacuum
Air
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?

Watt
Coulomb
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?

Metal
Glass
Cotton
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?

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

Trumpet
Guitar
Clarinet
Drums
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
Air
Gas
Water
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
Cochlea
Earlobe
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
Bat
Elephant
Snake
Explanation:

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

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