10/8/2014
When I was small young, one day I took a magnified glass one day and held it under the sun. It amplified (amplified is related to sound) heightened or intensified (just like what Rebecca suggested) the rays of sunlight and burnt burned a pile of dried leaves into ashes. -- Great job!
10/8/2014
One day, when I was younger, I took a magnifying glass and held it under the sun. It intensified the strength of the sunlight and burned a pile of dried leaves into ashes.