Sunday, September 20, 2009

Light

What science ideas did you learn?

I learned that when you use a laser pointer there is a stream of light. the light bounces off of particles, such as the flour particles, and we are able to see the stream of light. I also learned that when you go into a dark room with absolutely no light entering the room, you can't see anything. light needs to bounce off objects and enter your eyes to let you see things. The last idea i learned is that when using a light bulb

How did you learn these ideas?

i learned these ideas in many ways. the main ways were by experamenting, discussing, and learning from Mr. Finley. an example of when we experamented was with the laser pointers. we had a theory that there was a light beam that our eyes can not see. we used the supplies Mr. Finley supplied us which were socks, flour, and erasers, to test this theory. we experamented and found that if we clapped the erasers with four on them and created lots of dust, we could see the light beam which was not visible to us before.

Why is it important to know this idea (What real world application is there)?

it is important to know this idea of light because we use light everyday and we should know how it works. it is important to know how our eyes work also. we should know things like how we see in the dark and if we can see at all.

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