Science project!! HELP!!! me!! please.....?

Question

Ok so were doing a 5th grade science project and were finished with the project but we don't know what to do for the presentation. the project is based on what happens when you put a magnifying glass in front of a flash light it bends the light so that instead of it being right side up its upside down. and I don't know how to explain that scientifically. its bugging the crud out of me!! help??? all sudjestions are welcome

Answer 1

basically, light doesn't "bend" it refracts, light actually slows down in the glass. think of it this way:

for some reason, you're pushing a trolley in the park and you let go, it goes in a slight angle to the path, sooner or later, one of the wheels falls into the grass and it slips, notice how the trolley would probably turn towards the normal (you should know this), this is because the speed of first wheel is slower than the other wheel, so the whole trolley "swings" like a door, although it does "swing", it doesn't stop, once the back wheels gets into the grass, all wheels would reach the same speed, think the grass as a magnifying glass, and the trolley as light.

Good luck trying to see sense out of this

Answer 2

you can have 2 diagrams that explain the physics, first diagram shows the light rays leaving the flashlight and hitting a surface, and the second diagram that shows what happens to those light rays when a magnifying glass is put before it. A third slide can explain what are its applications and where is it used.

Remember the reason the the image is upside down, because the of the refraction that occurs because of the light passing from air to glass then back to air again. Its upside down because the light rays are converging and crossing over.

Answer 3

A lens works by refracting (bending) light. Take a look at the diagram in the hyperlink below.

http://science.howstuffworks.com/lens3.h...

Answer 4

you could say something about when the light passes through the magnifying glass it refracts and like bends.

also bbc bitesize is really good for stuff like that!

hope this helps!