Same wax paper experiment, only better!  It also has lots of potential to use as the girls get older.

Same wax paper experiment, only better! It also has lots of potential to use as the girls get older.

Desert Biome: Animals and Plants

Desert Biome: A Definitive Guide to its Animals and Plants

2 liter bottle ecosystems. plants on top, fish down below. totally remember making one of these in middle school, and have the itch to make it again :)

2 liter bottle ecosystems. plants on top, fish down below. totally remember making one of these in middle school, and have the itch to make it again :)

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