Round
and
Round
with wheels and axles

Goingtofarawayplacesorjuststeppinginandout,easeofmotioniswhatthissimplemachineisall about.

ByGlen Phelan

Beforeyou read

Wheel and Axle

Simple  
Machines

Explorermagazine’ssix‑part series

SimpleMachines

Explorermagazine’ssix‑part series

lever
inclined plane
Wedge
screw
wheel and axle

This edition

pulley

HumanJourney

PhysicalScience

Beforeyoudothescienceactivityattheendofthisarticle,thinkabouthowyouwillrecordthe results.