More to explore:
Learning Ideas - Grades K-8: Simple and Compound Machines Venn Diagram
Simple and Complex Machines Word Search Puzzle
Great simple machines ideas!
Mitosis and Meiosis Venn Diagram
A great site with games for young kids to learn about simple machines (all Jr.FLL models are required to have at least one simple machine in them). This site is perfect for 6-9 year olds.
Simple and Compound Machines - Science Word Wall Cards
Woah... Whenever I learn this, I will refer back to this pin!!
The Compound Machine: a fun online game where students use their knowledge of simple machines and learn about compound machines.
Wikijunior:How Things Work/The Six Simple Machines - Wikibooks, open books for an open world