More PowerPoint resources - Science

NASA has a huge range of free PowerPoint resources for science - Here are a few I have picked up recently.

http://sunearthday.nasa.gov/2006/promotional/powerpoint.php

http://nightsky.jpl.nasa.gov/download-view.cfm?Doc_ID=236

http://www.mainsgate.com/spacebio/modules/lu_teare.html

http://www.grc.nasa.gov/WWW/K-12/airplane/topics.htm

Obviously these work great on their own but if you team them up with TurningPoint Questions peppered through the presentation you can get an idea of your student's understanding on these topics.