When you turn off the light, it completely disappears. True or false?
False. The energy stays in the room, but it moves too fast to see it.
Which statement is true?
Energy can't come from nowhere. It just changes its form
We can create energy
Some energies can be created. Some other can't
How do rainbows happen?
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Can we see all types of light? Can you give me some examples?
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This butterfly is yellow. Or, at least, we see it yellow. How does that happen?
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How long would it take for us to notice that the Sun turned off?
We would notice immediately
It depends if I'm sleeping or not
8 minutes and 20 second
8 hours
What is the speed of light?
300,000 KM PER MINUTE
300,000 KM PER HOUR
very fast
300,000 KM PER SECOND
Do surfaces reflect 100% of the light that hits them?
Yes, they do.
No, they don't. Everything absorbs a bit of it.
Some of them, like mirrors
How can we see things?
Light makes things apper
We have eyes. They take care of it
Light rays bounce off things and into our eyes
Where do the stars go in the daytime?
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