Here are two websites for you to look at. Make sure you look at them, because they will help you on the next step. :)
One of the websites has some videos for you to watch.
http://www.slideshare.net/MMoiraWhitehouse/parts-of-a-plant-power-point
http://secondgradeplants.weebly.com/life-cycle-of-a-plant.html
http://www.sciencekids.co.nz/gamesactivities/lifecycles.html
http://www.ask.com/explore/plant-life-cycle-kids
Have you looked at all of the websites? If not, please look at them before you go to the next step! They will help you...I PROMISE!