Incoming Resources
- What is a wedge?, by Lloyd G. Douglas
- Palancas, de Michael Dahl ; traducción de Martín Luis Guzmán Ferrer ; revisión de traducción de María Rebecca Cartes
- The wheel and how it changed the world, Ian Locke
- Ramps and wedges, David Glover
- Wheels and axles, by Michael S. Dahl
- Making machines with wheels and axles, Chris Oxlade
- Levers in my makerspace, Tim Miller and Rebecca Sjonger
- Splitting apart, the wedge, written by Gerry Bailey ; illustrated by Mike Spoor
- Wheels around, written and photo-illustrated by Shelley Rotner
- What is a wheel and axle?, by Lloyd G. Douglas
- Machines, Caroline Grimshaw ; text editor Iqbal Hussain ; science consultant John Stringer ; illustrations, Nick Duffy, Spike Gerrell, Jo Moore
- Wheels and axles, Andrea Rivera
- Levers, by Erika S. Manley
- Inclined planes, by Kirsten Chang
- Inclined planes in my world, Planos inclinados en mi mundo, Joanne Randolph ; traducciùn al espaûol: Maræa Cristina Brusca
- Wedges in my world, Cuñas en mi mundo, Joanne Randolph ; traducción al español, MarÆa Cristina Brusca
- Levers, John Hudson Tiner
- Working with wheels and axles, Ronald Machut
- What are wheels and axles?, by Helen Frost
- Wedges, by Erika S. Manley
- Inclined planes, Jennifer Howse
- Simple machines made simple, Ralph E. St. Andre
- Screws at work, Dawn LaMachia
- Axles and wheels, by Robin Twiddy
- Wheels & axles, Valerie Bodden
- What is a plane?, by Lloyd G. Douglas
- Wheels, pulleys & levers, [Mick Seller]
- What is a pulley?, by Lloyd G. Douglas
- Making machines with pulleys, Chris Oxlade
- Pulleys, by Sally M. Walker and Roseann Feldmann ; photographs by Andy King
- How do you lift a lion?, Robert E. Wells
- Tires, spokes, and sprockets, a book about wheels and axles, by Michael Dahl ; illustrated by Denise Shea
- Pulleys in action, Gillian Gosman
- Inclined planes, by Michael S. Dahl
- What are pulleys?, by Helen Frost ; consulting editor, Gail Saunders-Smith ; consultant, Philip W. Hammer
- Cut, chop, and stop, a book about wedges, by Michael Dahl ; illustrated by Denise Shea
- Inclined planes at work, Dawn LaMachia
- What are inclined planes?, by Helen Frost
- Making machines with ramps and wedges, Chris Oxlade
- Pull, lift, and lower, a book about pulleys, by Michael Dahl ; illustrated by Denise Shea
- Rolling along, the wheel and axle, written by Gerry Bailey ; illustrated by Mike Spoor
- Inclined planes in action, Gillian Gosman
- Wheels and axles, by Kirsten Chang
- Smash!, Wile E. Coyote experiments with simple machines, by Mark Weakland ; illustrated by Christian Cornia
- Pulling up, the pulley, written by Gerry Bailey ; illustrated by Mike Spoor
- Roll, slope, and slide, a book about ramps, by Michael Dahl ; illustrated by Denise Shea
- Wedges, by Anne Welsbacher
- Lifting by levers, Andrew Dunn ; illustrated by Ed Carr
- Winding around, the screw, written by Gerry Bailey ; illustrated by Mike Spoor
- Curious Pearl tinkers with simple machines, 4D an augmented reading science experience, by Eric Braun ; illustrated by Anthony Lewis