March 1998 
Marvelous Machines 

Want to visit a great site to find simple and inexpensive science experiments and activities for  elementary school students? And geared to the curriculum? And copyright free for schools?  

Point your web browser to http://www.galaxy.net:80/~k12/scihome.html 

  
 
 
Here you will find materials geared to (get it): 
 
 And topics linked to the following subjects: 
 To get a grip on the lessons, let's take a look at Simple Machines 

 
The experiments cover springs, friction, pulleys, gears, levers, and inclined planes designed for a grade 3 curriculum. 

 THE EXPERIMENTS
 
Springs 1 Gears 1
Springs 2 Gears 2
Springs At Home Gears 3
Friction 1 Wheels At Home
Friction 2 Wheels At Home
Friction At Home Levers 1
Overcoming Friction 1 Levers 2
Overcoming Friction 2 Levers At Home
Overcoming Friction At Home Inclined Planes 1
Pulleys 1 Inclined Planes 2
Pulleys 2 Inclined Planes At Home
 
   Each evperiment comes with printable student handouts. I know since I thought I would smooth things over with my wife by lookink at Overcoming Friction At Home. 

This one had a simple form. 

Name: ________________________________ Date: ___________ 
 
 

                           MACHINES AT HOME 

                              OVERCOMING FRICTION 

             We often look for ways to reduce friction. Can you describe one time when friction is useful? 

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