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Light causes light pollution that can harm animals and wildlife.
How can light have a bad impact on the world?
A form of electromagnetic radiation.
What is light?
They use ultrasonic soundwaves.
What do bats use?
A form of energy produced by vibrations.
What is Sound?
Acts like a drum.
What is the eardrum?
Daily Double
Can air make shadows?
Yes
The light-sensitive layer of tissue at the back of the inner eye.
Where's the retina?
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It reflects in 1/299,792,458 seconds.
How fast can light reflect?
Faster than light
What's darkness?
Travels at about 343 metres per second.
How fast does sound travel?
Travels 299,792,458 meters per second.
How fast does light travel?