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Easy to Build Seismograph

If you have an old compact disc (CD) lying around, use a fine-tooth saw to cut a four-inch section of 5/8-inch dowel rod. Shape one end to a blunt point. Stick the point of the dow...
http://www.ehow.co.uk/m/way_5793557_homemade-spinn...
1 Cut two sections of tree trunk, 18 inches long or two inches shorter than whatever height you want your finished bench to be, using a chainsaw. Choose a section of tree trunk at ...
http://www.ehow.co.uk/m/how_6637074_build-easy-ben...
Using the circular saw, cut the 2-by-4 lumber for the frame of the workbench. Cut four legs 32 inches long; four shelf and top front and back pieces at 48 inches long, and four top...
http://www.ehow.co.uk/m/how_6507867_build-easy-wor...
Bend the wire into a three- or four-legged shape (or more), making sure to keep the legs all the same length, unless otherwise desired. Use sturdy-enough wire that it won't break i...
http://www.ehow.co.uk/how_5793800_build-easy-robot...
If you don't have a CD that you wouldn't mind losing, an excellently balanced disk can be made with a hole-saw and your power drill. A hole-saw is a drill attachment that makes cir...
http://www.ehow.co.uk/m/way_5793557_homemade-spinn...
Useful sites about:

Easy to Build Seismograph

Make A Working Seismograph!
Make A Working Seismograph! Suggested Age: 7-9. Time: 25 minutes. Earthquakes occur in many areas around the world. The strongest earthquakes ...
www.mrsec.psu.edu
Building a simple seismometer - British Geological Survey
Building a simple seismometer. Seismometers operate on the principle of inertia, i.e. a body at rest will tend to remain that way unless a force is applied to make ...
www.bgs.ac.uk
Make a Seismograph Science Project - Home Science Tools
You can make a simple seismograph to demonstrate how this machine works. Fill a 2-liter soda bottle with water and use wire to suspend it about 1" above the ...
www.hometrainingtools.com
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