Free STEM Books for 2nd Graders
What's the Scoop on Pee and Poop?
Pat the rat has a big question: where does pee and poop go after you flush? There’s only one way to find out—dive into the toilet and follow the water! Join Pat as he slides through pipes, meets a friendly sewer rat, and discovers the amazing journey wastewater takes. Giant grates, special tanks, and mysterious cleaning stages await. But how does all that yucky water become clean again? Take the plunge with Pat to find out!
Turn!
Wheels are everywhere! From tiny skateboard wheels to giant ferris wheels, from clocks to diggers, wheels help us do amazing things every day. But have you ever wondered what life would be like without any wheels at all? How would we travel? How would we make things? Join this fascinating exploration of one of the world’s most important inventions and discover just how much we depend on wheels!