http://www.nutritionexplorations.org/kids.php

http://www.nourishinteractive.com/nutrition-education-printables/category/2-food-groups-and-healthy-eating-learning-sheets

http://www.purposegames.com/game/a19f404ad4

http://www.sheppardsoftware.com/health/anatomy/cell/cell_tutorial.htm

http://www.childrensuniversity.manchester.ac.uk/interactives/science/bodyandmedicine/digestivesystem/

http://www.eia.gov/kids/energy.cfm?page=5

Plant adaptations: https://www.youtube.com/watch?v=DGpPHrLF-5M

http://kids.nationalgeographic.com/kids/animals/creaturefeature/american-alligator/

http://www.ecokids.ca/pub/eco_info/topics/climate/adaptations/