📁 资源
Science educational resources are educational products and services for teachers and students in the general field of science or cover more than one specialty in science. Some examples of webpages to be listed here include science workbooks, class activities, lesson plans, and mentoring programs.
子分类
条目 (6+)
Dinosaurs and Us Unit
http://commtechlab.msu.edu/sites/letsnet/noframes/subjects/science/b1u4.html
Discovering Fossils: What is an Echinoid?
http://www.discoveringfossils.co.uk/echinoids.htm
Did the Wood Roach or Prototermite Cause the Permian-Triassic Coal Hiatus?
http://www.angelfire.com/nc/isoptera/roach.html