Cool
Science
Find out what solid particles are in the air you breathe.
National
Severe Storms Laboratory
This site has an impressive collection of photos of tornados, weather
instruments, hail, clouds, and lightning.
Journey North
Join classroom teams across North America in
entering data on the signs of spring, animal migrations, or seasonal changes in
the fall. Funded by the Annenberg Foundation,
Journey North engages students in all grades in a global study of wildlife
migration and seasonal change.
Parachute History
Although the Historical Review page is written for adult readers, it includes
a variety of parachute designs that fascinate young students, from the
earliest attempts to cutting-edge parachute designs.