Contains science projects that concern the relationship between living things and their environment.

Ecosystems -- Living on the edge -- Climate suits me -- In the dark -- My plot or yours? -- Soil survivors -- Nonliving factors affect ecosystems -- Thirsty little sprouts -- Drop in the bag -- Fermentation factories -- Cool fish -- Right light -- Living factors affect ecosystems -- Give me space -- Pesky plants! -- Out of sight -- Too close for comfort -- It's a gas -- Humans affect ecosystems - probing pollution -- No salt, please -- Acid bath -- Shrimp forecast: Clear to partly cloudy -- Packed tight.