Teach 4th grade science with high-interest, real-world examples from Niagara Falls. This NGSS-aligned resource covers hydroelectric energy transfer, erosion, and human impact through informational text, a timeline activity, vocabulary, CER writing, and a quiz. Click the Preview to see what is includedBring the wonder of Niagara Falls into your classroom with this 4th-grade NGSS-aligned science unit on energy transfer, human impact, and hydroelectric power. Students explore how people used techno