Age Range Key
- Y—Young (PreK-3rd)
- M—Middle (4th-6th)
- O—Older (7th-12th)
- T—Teacher Resources
Simple Machines
Resources for science learning from the Franklin Institute
Simple Machines Game
Create simple machines to trade distance for force in this challenge game!
Simple machines
A resource from MIkids.com
How Steam Engines Work
From How Stuff Works
America's Age of Steam
Background information on steam powered machines