Cette leçon contient 17 diapositives, avec quiz interactifs, diapositives de texte et 1 vidéo.
La durée de la leçon est: 45 min
Éléments de cette leçon
Slide 1 - Diapositive
Slide 2 - Diapositive
Slide 3 - Diapositive
Slide 4 - Vidéo
You saw the frequency increasing. What happened to the pitch if the frequency increases A. What was the highest frequency you heard? Get your parent(s)/carers B. What was the highest frequency they could hear?
Slide 5 - Question ouverte
Slide 6 - Diapositive
For this exercise use the table at the previous page. You only need two names.
Animal which can hear the highest frequency
Animal that hears the lowest frequency
Neither of the two choices
Elephant
Porpoise
Bats
Dog
Cat
Chicken
Killer Whale
Slide 7 - Question de remorquage
What frequency can be heard by all animals?
A
16 Hz
B
2.000 Hz
C
150.000 Hz
D
None of the one mentioned
Slide 8 - Quiz
Slide 9 - Diapositive
Open oscilloscope: https://academo.org/demos/virtual-oscilloscope/ Use live input Play a music instrument or sing one note: freeze the input Make a screenshot Add the screenshot to the answer
Slide 10 - Question ouverte
Describe what you see. Is this the same for all instruments/voices?
Slide 11 - Question ouverte
Slide 12 - Diapositive
Describe the link between pitch and frequency
Slide 13 - Question ouverte
What is the range of hearing of humans
Slide 14 - Question ouverte
Describe some of the differences between the range of hearing in humans and animals
Slide 15 - Question ouverte
Why do musical instruments have distinct sounds
Slide 16 - Question ouverte
After studying this paragraph the following is still not clear to me: