Plants
Simple stuff!
Plant cells.
What is photosynthesis? So why did you mention starch?
The experiment!
Take a leaf!
Boil it in alcohol
Add iodine
What do you write down? An outline of what you are doing and why you are doing it. A prediction as to what you expect to find and why. A conclusion explaining what you actually did find out (this MUST contain the chemical equation for photosynthesis).
This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching.