Internet Made Easy: 80 Internet Mini-Scavenger Hunts © Scholastic Teaching Resources
C HA L L E N G E : What is work?
3 What is a compound machine?
of a board with a hammer?
1 Name the six simple machines.
2 What simple machine are you using when you try to pry a nail out
http://sln.fi.edu/qa97/spotlight3/spotlight3.html
Simple Machines
Think work is hard? Ever tried to lift, pull, or
move a heavy object? What can make such work
easier? Simple machines. Visit this site to learn a
few tips for making simple machines work for you:
SCIENCE
2
1
Lever
Inclined plane, wedge, pulley,
screw, wheel and axle, and lever
SCIENCE
3
Two or more simple machines
that work together
C HA L L E N G E : A force acting on an object
to move it across a distance
Internet Made Easy: 80 Internet Mini-Scavenger Hunts © Scholastic Teaching Resources