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A Question of Science 5 - 2
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What is the speed of light?
300,000 KM PER MINUTE
very fast
300,000 KM PER HOUR
300,000 KM PER SECOND
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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 hours
8 minutes and 20 second
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How can we see things?
We have eyes. They take care of it
Light rays bounce off things and into our eyes
Light makes things apper
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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
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Where do the stars go in the daytime?
...
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Do surfaces reflect 100% of the light that hits them?
Some of them, like mirrors
No, they don't. Everything absorbs a bit of it.
Yes, they do.
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Can we see all types of light? Can you give me some examples?
...
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How do rainbows happen?
...
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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.
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