Kids will explore one of Earth's important energy resources with Water Energy Projects from the history of water energy, to how we use it today. They'll use water energy to spin a bottle, build a water mill, and more. Each project includes color photos and easy to follow instructions. Aligned to Common Core Standards and correlated to state standards. Applied to STEM Concepts of Learning Principles. Super Sandcastle is an imprint of Abdo Publishing, a division of ABDO.