Homework WB 11th March
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Slide 1 - Tekstslide
What unit is used to measure the intensity of sound?
A
Watt (W)
B
Decibel (dB)
C
Hertz (Hz)
D
Newton (N)
Slide 2 - Quizvraag
What part of the ear is responsible for transmitting sound vibrations to the brain?
A
Auricle
B
Auditory nerve
C
Cochlea
D
Eardrum
Slide 3 - Quizvraag
Which musical instrument produces sound by vibrating strings?
A
Piano
B
Guitar
C
Trumpet
D
Drum
Slide 4 - Quizvraag
What term describes the highness or lowness of a sound?
A
Timbre
B
Pitch
C
Volume
D
Frequency
Slide 5 - Quizvraag
How does sound travel through a medium?
A
By generating heat energy
B
By creating electrical charges
C
By causing particles to vibrate
D
By emitting light waves
Slide 6 - Quizvraag
What determines the pitch of a sound wave?
A
Amplitude of the wave
B
Wavelength of the wave
C
Speed of the wave
D
Frequency of the wave
Slide 7 - Quizvraag
How are sound waves typically represented in diagrams?
A
As a straight line
B
As a set of parallel lines
C
As a series of compressions and rarefactions
D
As a series of crests and troughs
Slide 8 - Quizvraag
Slide 9 - Tekstslide
How do crocodiles move when a baby cries?
A
Quickly away from the sound
B
Quickly and aggressively towards
C
Slowly and aggressively away
D
Slowly and aggressively towards
Slide 10 - Quizvraag
As well as babies which other animals are crocodiles attune to?
A
Young deer
B
Young rodents
C
Young jaguars
D
Young great apes
Slide 11 - Quizvraag
What do crocodiles rely on..
A
Changes in frequency
B
Changes in pitch
C
Changes in amplitude
D
Changes in tone
Slide 12 - Quizvraag
What is a bonobo?
A
Orangutan
B
Spider monkey
C
Pygmy Chimpanzee
D
Lemur
Slide 13 - Quizvraag
Slide 14 - Tekstslide
Exposure to loud noises causes
A
Hearing loss
B
Infected ear drums
C
Narrowed ear canals
D
Ear piercings
Slide 15 - Quizvraag
Which metal is disturbed in our inner ears by loud noises?
A
Magnesium
B
Potassium
C
Zinc
D
Copper
Slide 16 - Quizvraag
Loud noises cause..
A
Cells in the inner ear to die
B
Cells in the inner ear to reproduce too fast
C
Cells in the outer ear to die
D
Cells in the outer ear to reproduce too fast
Slide 17 - Quizvraag
Where does Thanos Tzounopoulos research?
A
University of York
B
University of Minnesota
C
University of Pittsburgh, Pennsylvania
D
University of Oxford
Slide 18 - Quizvraag
Which part of the ear helps maintain balance?
A
Semicircular canals
B
Cochlea
C
Auditory nerve
D
Eardrum
Slide 19 - Quizvraag
What is the function of the eustachian tube?
A
Convert sound to electrical signals
B
Amplify sound waves
C
Detect different frequencies
D
Equalize air pressure in the middle ear
Slide 20 - Quizvraag
Which structure collects sound waves and funnels them into the ear?
A
Pinna (auricle)
B
Round window
C
Ossicles
D
Tympanic membrane
Slide 21 - Quizvraag
What is the purpose of the cochlea in the ear?
A
Convert sound vibrations into electrical signals
B
Regulate air pressure
C
Maintain balance
D
Amplify sound waves
Slide 22 - Quizvraag
Which part of the ear transmits sound vibrations to the inner ear?
A
Semicircular canals
B
Ossicles (malleus, incus, stapes)
C
Eustachian tube
D
Auditory nerve
