Projects in this book include: My Personal Ecosystem; I'm Crowded!; Rain Down on Me; Invaders!; Water Cleaned with Dirt?!; What was for Lunch?; The Disappearing Apple; Puddle and Pond pH; No Good Water.
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Projects in this book include: My Personal Ecosystem; I'm Crowded!; Rain Down on Me; Invaders!; Water Cleaned with Dirt?!; What was for Lunch?; The Disappearing Apple; Puddle and Pond pH; No Good Water.
Read Less
