Study Guide - Simple Machines
Magnets attract objects made of certain materials like iron and steel, nickel and cobalt. Magnets do not attract non-metal objects.






LEVER
A stiff bar that moves about a fixed point (fulcrum). Used to push, pull, or lift things
.Examples - seesaw, crowbar, shovel








INCLINED PLANE
A flat surface that is raised so one end is higher than the other. Makes it easier to move heavy objects up or down.
Example - a






Knowing that the red arrow points north,we can use the compass to tell direction.