Tuesday, July 20, 2010
light up matches with magnifing glass
Light emitted by the sun is made up of tiny packets of electromagnetic energy.the rays are refracted and due to the rays of light and its ability change angle as they pass through the lens and meet at a specific point.also with the preasence of oxygen,a fire is lit up.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment