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.
Canadian Museum of Nature
Canadian Museum of Nature: Massasauga Rattlesnake
Read about the Massasauga rattlesnake in this concise article filled with outstanding photographs.
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.