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http://www.pppst.com/science.html

These are the public entries for this link:

• POWERPOINT
  POWERPOINT
  By rmg3000 in EDUCATIONAL with powerpoint
  Note: POWERPOINT
• SCIENCE INDEX - FREE presentations in PowerPoint format, interactive activities, lessons for K-12
  This huge section lists free presentations for Earth, Space, Weather, Human Body, Simple Machines, Natural Hazards, Biomes, Living Systems, Light, Sound, Energy & Motion, Weathering and Erosion, Environment, Ecology, Geology, Biology, Chemistry, Physics, Lab Work, Microscopes, Telescopes, Nanoscience, Forensics for Kids, Flight, and more. Teachers around the world have been so generous with their lessons and learning modules and games in powerpoint format! Take a look!
  By pdboyer in Public bookmarks with activities free games images interactive lessons links powerpoint resources

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