8. Journey to the Center of a Seed http://www.kidsgardening.com/ 2006.kids.garden.news/jan/pg2.html Students observe, sort, and classify a variety of seeds according to different properties, and then take a journey inside a bean seed to predict and observe changes that occur during seed germination.
9. http://www.sciencenetlinks.com lessons.cfm?BenchmarkID=5&DocID=343 A lesson plan with activities to encourage students to observe and document similarities and differences between parts of plants.