Electric Toothbrush
Lesson 35: Electric Toothbrush Essential Question: How does a small motor create fast useful movement? What You’ll Build: An electric […]
Lesson 35: Electric Toothbrush Essential Question: How does a small motor create fast useful movement? What You’ll Build: An electric […]
Lesson 34: Forklift Essential Question: How does a forklift raise and carry loads without tipping over? What You’ll Build: A
Lesson 33: Road Roller Essential Question: Why does a heavy roller help flatten a surface? What You’ll Build: A road
Lesson 32: Cleaning Car Essential Question: How can one machine move and clean at the same time? What You’ll Build:
Lesson 31: Car Lifts Essential Question: How can a lifting system raise a heavy car safely? What You’ll Build: A
Lesson 30: Biplane Essential Question: How does wing shape and structure help an aircraft stay stable? What You’ll Build: A
Lesson 29B: Yacht Essential Question: How do balance and body shape help a boat move well? What You’ll Build: A
Lesson 29A: Crab Essential Question: How can a model copy sideways animal movement? What You’ll Build: A crab that walks
Lesson 28: Train Essential Question: How do linked vehicles stay on a path and move together? What You’ll Build: A
Lesson 27: Excavator Essential Question: How do linked arms help a machine dig and lift? What You’ll Build: An excavator