The following announcement was sent to all 1,200 students at Jefferson high school. Identify the questions readers might have after getting this announcement. Revise the announcement for a more effective message and add any details you wish. Attention All Students: The 2013 Science fair will be an important event for Jefferson High school. For each of the last two years, we have had a winner in one of the categories. Last year, Katy Nissan took first place in the Engineering and Environmental competition. Your entry must conform to the ISEF rules. The planning meeting will be held next week in Room 234. Be prepared to explain which of the three categories is best for your entry. You must have enough credits by September 2012 to qualify for participation.