In deze les zitten 8 slides, met interactieve quizzen en tekstslides.
Lesduur is: 30 min
Onderdelen in deze les
Sound
Chapter 6 paragraph 1
Slide 1 - Tekstslide
The speed of sound
The speed of sound is a property.
See page 64 in your book!
Slide 2 - Tekstslide
Calculations with the speed of sound
s= v x t
v = velocity (speed) in m/s
t = time in seconds (s)
s = distance in meters (m)
v = s / t
t = s / v
Slide 3 - Tekstslide
Ann is swimming in a swimmingpool. Somebody jumps in the water and hits the floor. After 0,01 s Ann hears the sound. Calculate the distance to Ann at which the swimmer jumped into the pool
Slide 4 - Open vraag
Pieter tries to listen in to what is being said in the other room. For that reason he puts his ear against the wall. The voice he tries to hear has to travel trough 5 metres of air and 0,4 meters of concrete. Calculate how long it takes for the sound to reach his ear.
Slide 5 - Open vraag
Ben is standing near a cliff. When he claps his hands it takes 4 seconds until he hears the echo of his clap. How far away is the cliff?
Slide 6 - Open vraag
A train is 3 kilometers away from Kevin and Patrick. Patrick puts his ear against the steel train track while Kevin listens in the air. Calculate the time difference for Kevin and Patrick when they hear the train.
Slide 7 - Open vraag
When Lightning strikes in the distance it takes 174,9 s until you hear it and 0,00002 s until you see it. Calculate the speed of light.