PBS
Pbs Teachers: Nova: Kaboom! Pyrotechnics: It's Elemental
Describe The Periodic Table of Elements, identify the elements that make a firework work and examine the contribution of each element to the total fireworks effect.
PBS
Pbs Orchid Hunter: Orchid Gallery
NOVA presents a slide show of orchids with brief descriptions of each of the 15 pictures. See the beauty of each orchid, who it was named for and where it lives.
PBS
Pbs: Nova: Doomsday Asteriod: Educator's Guide to Kitchen Comets
Instructions for making a simulated comet nucleus from simple materials.
PBS
Pbs Teachers:flying Casanovas: Bowerbird Basics
Examine characteristics of bowerbirds and their bowers. Compare and contrast various styles of bowers created by bowerbirds
PBS
Pbs Nova: Ancient Chinese Explorers
Discusses the different voyages of Zheng He and their significance in Chinese history. Includes good historical background and pictures.