This is a 68-page Grade 3 Physical Science Unit on Simple Machines published by Quality Curriculum and is based on the NYC Scope and Sequence, including the topic’s essential question, Key Idea, New York State Performance Indicators, CCSS Connections, science activities, graphic organizers, pre-test, post-test, worksheets, informational sheets, answer keys, online resources and four fully written lesson plans; each with an introduction, guided and independent practice, and closure. The document