Incoming Resources
- Simple machines, by D.J. Ward ; illustrated by Mike Lowery
- Levers
- Simple machines, by Katie Marsico ; [illustrator Jeff Bane]
- Simple machines
- Why do tractors have such big tires?
- Levers
- Levers
- Pulleys
- Excavators
- Keep it simple, Rapunzel!, the fairy-tale physics of simple machines
- Wedges
- A maker's guide to levers
- Levers
- Simple machines, Dana Meachen Rau
- Ancient machines, from wedges to waterwheels, by Michael Woods and Mary B. Woods
- Cranes, Charles Lennie
- Put pulleys to the test, Sally M. Walker and Roseann Feldmann
- Raising a bag of toys:, pulley vs. inclined plane
- Explore simple machines!, Anita Yasuda ; illustrated by Bryan Stone
- Loads of Levers
- Inclined planes
- Working with inclined planes, Ronald Machut
- Let's find inclined planes
- The kids' book of simple machines, cool projects & activities that make science fun, Kelly Doudna
- Loaders
- Wedges at work, Maggie S. Wesley
- Science kids, wedge, screw, lever, pulley, inclined plane, wheel & axe
- Science for kids
- Put inclined planes to the test
- Put levers to the test
- Levers
- Pulleys
- Moving machines, Anastasia Suen
- Wedges
- I use simple machines
- Wheels and axles
- Levers
- Put Pulleys to the Test, Sally M. Walker
- The wheel:, Inventions and reinventions, Richard W. Bulliet
- Let's look at monster machines, John Allan
- Working with pulleys, Ronald Machut
- Inclined planes
- A maker's guide to wheels
- Inclined planes
- Pulleys, Madison Miller
- Recreate machine innovations, Anna Claybourne
- Inclined planes at work, Maggie S. Wesley
- 507 mechanical movements:, mechanisms and devices, Henry T. Brown
- Put screws to the test
- Wedges