Course Content Unit: Simple Machines 17 Activities Expand Lesson Content Lesson 17 – Machines Need Energy Lesson 16 – Helicopters Lesson 09 – Get Moving! Lesson 08 – Living with Machines Lesson 01 – Simple Machines Lesson 11 – Elevators and Escalators Lesson 15 – Things That Spin Lesson 14 – Sliding and Rolling Lesson 13 – Moving in a Wheelchair Lesson 12 – Things with Wheels Lesson 10 – Up and Down in Elevators Lesson 07 – Simple Machines Working Together Lesson 06 – Wheels, Axles, and Pulleys at Work Lesson 05 – Levers at Work Lesson 04 – Screws at Work Lesson 03 – Wedges At Work Lesson 02 – Inclined Planes at Work
