NASA Destination Earth
http://www.earth.nasa.gov/

Teaching Earth Science - Earth science education programs/resources
http://www.earth.nasa.gov/education

Where on Earth - Try to find a geographic location given NASA's "MISR" images and geographical clues
http://www-misr.jpl.nasa.gov/education/whereonearth.html

NOTE: Prerequisite to internet searching, you may want to discuss web search methods and/or require use of certain search tools such as google. A great adaptable resource for teaching how and when to do searches online can be found at the TILT (Texas Information Literacy Tutorial) website, http://tilt.lib.utsystem.edu/nf/intro/internet.htm.

Where on Earth - Locate pictures of the Earth's biomes
http://spacelink.nasa.gov/Instructional.Materials/On-line.Educational.Activities/Earth/index.html

NASA Earth Observing System Home Page
http://eospso.gsfc.nasa.gov/

NASA's Earth Observatory
http://earthobservatory.nasa.gov/

Earth Systems Science Educational Alliance (ESSEA)
http://www.cet.edu/essea

NASA Kids - a site dedicated to kids of all ages
http://kids.msfc.nasa.gov/

NASA Earth Science Enterprise, For Kids Only Teacher Guides
http://kids.earth.nasa.gov/guide/index.htm

From a Distance: An introduction to remote sensing/GIS/GPS
http://education.ssc.nasa.gov/ltp/

EarthKAM - Near Earth imaging directed by your students
http://www.earthkam.ucsd.edu/index.shtml

AQUA - Discovering Earth's water cycle
http://aqua.nasa.gov/

TERRA - Flagship satellite of the Earth Observation System Mission
http://terra.nasa.gov/

IMAGERS: interactive multimedia adventures using remote sensing
http://imagers.gsfc.nasa.gov/

NOAA Photo Library
http://www.photolib.noaa.gov/

NASA's Earth Observing System Publications
http://eospso.gsfc.nasa.gov/eos_homepage/educationpub.html

U.C. Berkeley, Global Systems Science
http://www.lhs.berkeley.edu/GSS/gss.html

Volcanoes and Climate Past and Present
http://www.giss.nasa.gov/research/intro/stothers.02/

Volcano World
http://volcano.und.nodak.edu/