If you're tired raise your hand....I created this investigation because I couldn't find the materials that I needed to do an investigation with my students. I hope this is a timesaver for another tired educator. This can be used as a stand alone lesson or supplement within another unit, which is what I did. We are currently do a plant unit. This would also be a great lesson for a teacher effectiveness observation. I am in the process of making a carrot investigation for my upcoming teacher effec