Holditinplaceormoveitalong.Screwsdobothjobsallday long.

something screwy going on

ByGlen Phelan

Screw

Simple
Machines

Explorer magazine’s six‑part series

Beforeyou read

SimpleMachines

Explorermagazine’ssix‑part series

lever
inclined plane
Wedge
screw

This edition

wheel and axle
pulley

HumanJourney

PhysicalScience

Beforeyoudothescienceactivityattheendofthisarticle,thinkabouthowyouwillrecordthe results.

07/06/2024 16:01:00
  • Adventurer
  • In This Issue
  • Extreme Plants
  • Killer Seeds & The Sting Is the Thing - Extreme Plants
  • Big Stink & The Need for Speed - Extreme Plants
  • Giant Freeloader and Rising Giant - Extreme Plants
  • Extreme Supreme - Extreme Plants
  • Living With Lava Domes
  • An Explosive Start and a Place to Study - Living With Lava Domes
  • Inside an Eruption - Living With Lava Domes
  • In the Field and Routine Maintenance
  • Looking at the Dangers and Spreading the Word
  • Simple Machines: Something Screwy Going On
  • It's Simple and the Turn of the Screw
  • It's All About Trade-Offs, Hold on Tight and Dig In - Something Screwy Going On
  • Climb up, Slide Down and Move It Along
  • Make Archimedes Proud - Something Screwy Going On
  • Explorer Classroom
  • The End
10/12/2018 00:00:00