A siren sings a funny song!
As it zooms past you, its song changes. Why?
A sound can be high like a bird… or low like a drum.
high · EEE
low · oooh
The siren car blows out little rings of sound.
Tap to roll the car — watch the rings squish up in front!
Tap the car — see it zoom and squish the rings.
The siren races past your ear. As it zooms by, does the song jump UP or drop DOWN?
Tap your guess!