Seventh graders, using national parks as models, illustrate the energy flow in ecosystems. Working in groups, they use murals, flow charts, or other visual displays to record their findings. Students represent the food chains and webs...

Fifth graders, in groups, list the physical characteristics of a biome and think of ways in which animals might have to adapt to live there and make a biome mobile ball that show the different types of habitats that shape the praire biome.