A Physical Science Unit for High-Ability Learners in Grades 3-4 engages students in investigations and observations that support their learning about simple machines and their uses. Students explore force, motion, and friction as they learn about the six simple machines and how they are put together to form compound machines.
Introduction to the Clarion units -- Teacher's guide to content -- Unit glossary -- Teaching resources -- Lesson plans -- Overview of lessons -- Preteaching lesson : science safety -- Preassessment -- Lesson 1. What is a scientist? -- Lesson 2. What is a system? -- Lesson 3. What scientists do : observe, question, learn more -- Lesson 4. What scientists do : experiment, create meaning, tell others -- Lesson 5. Creative problem solving -- Lesson 6. The process of invention -- Lesson 7. The mother of invention -- Lesson 8. Introduction to simple machines -- Lesson 9. The screw and the wedge -- Lesson 10. The inclined plane and the wheel and axle -- Lesson 11. The lever -- Lesson 12. The pulley -- Lesson 13. Compound machines -- Lesson 14. Final touches -- Lesson 15. Invention fair -- Lesson 16. Wrap it up! -- Postassessment -- Appendix A. Concept paper on systems -- Appendix B. Teaching models -- Appendix C. Materials list
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