This week we learned that in a completely dark room, our eyes adjust to the light and after a while, get used to the darkness and we can see. I've never really been in a room with no light coming in. It was a cool thing to experience.
Light travels in straight lines because we proved that with the laser. The laser shot it only straight on the wall and we saw that it was only going straight when we put the dust in the air to reflect off of it.
We can only see an object once a light ray bounces off of it and goes into our eye. If there is nothing for the light to bounce off of then we cannot see it. And we know that once it bounces off it send the rays in all directions because we can see it no matter where we stand.
Sunday, September 16, 2007
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1 comment:
When you complete the journal entry from 9/21, this will also be satisfactory. You need to clarify the same point to complete both.
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