Curated OER
Comprehension: The Rattlesnake Wrestlers
In this comprehension: the rattlesnake wrestlers worksheet, 3rd graders read the page long passage, then answer five multiple choice questions.
US National Library of Medicine
Medline Plus: Snake Bites
Comprehensive first aid information for treating snake bites. Topics covered include symptoms for the various types of poisonous snakes, treatment, and prevention.
Sheppard Software
Sheppard Software: Rattlesnakes
This site gives an in-depth description of a rattlesnake, including its behavior, appearance, reproduction, and classification. The site includes photos and illustrations and an interactive quiz to test your understanding.
Other
Tom Schweich Home Page: Vegetation in the Desert
This personal site features descriptions and photographic illustrations of California desert vegetation.
PBS
Pbs Teachers: Scientific American: The Wild West: Nasty Critters
Research the taxonomy, physiology and relatives of scorpions and create a mobile. Explore the stereoscopic senses of pit vipers, and experience how perception can be augmented by causing fluorescent paint to glow with UV light.