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Facts on File:
Today's Science Database		 ENERGY INVENTIONS HURRICANES, VOLCANOES, TORNADOES WEATHER
  SCIENCE BIOGRAPHIES      

     

INVENTORS and INVENTIONS

INVENTIONS & INNOVATIONS - from Multnomah County Library Website:
http://www.multcolib.org/homework/comphc.html

INVENTION DIMENSION:
http://web.mit.edu/afs/athena.mit.edu/org/i/invent/

INVENTOR:
LEONARDO DaVINCI
http://www.mos.org/leonardo/

BIOMES/ ECOSYSTEMS:

Multnomah County Library Biomes/Ecosystems Links

Joyce Valenza's Library Biome links

Franklin Institute/ Biomes and Ecosystems Website

Frequently Asked Questions about Biomes and Ecosystems

Yahoo Directory of Ecosystem Links

Hawk Woman's Home Page University Science Biomes website