Encyclopedia of Earth
Encyclopedia of Earth: Adaptations of Desert Amphibians and Reptiles
The evolution of amphibians from prehistoric days is described, and the challenges they face when living in a desert environment, of which the ability to reproduce is the greatest. How they manage to survive in a desert is explained in...
CK-12 Foundation
Ck 12: Life Science: Amphibians
[Free Registration/Login may be required to access all resource tools.] Amphibians are a group of vertebrates that have adapted to live in both water and on land. Amphibian larvae are born and live in water, and they breathe using gills....
Exploratorium
Exploratorium: The Amazing Adaptable Frog
Journey back over a million years ago and see how the common frog has adapted and changed.
Scholastic
Scholastic: Science Explorations: Uncover Lizards and Snakes
An exploration of squamates, or scaled reptiles. Take notes about lizards and snakes using the pdf "Squamate Chart" while viewing a slideshow, investigate the squamate anatomy and how squamates differ from other animals, such as insects...
Exploratorium
Exploratorium: Frogs, a Disappearing Act
At this site students can read about how frogs camouflage to avoid predators. There is an interactive exhibit too! (Must have the Shockwave plug-in to see animation.)
University of Southern California
Structure of Matter: Animals
A slide show that demonstrates the development of physical structure in the animal world, moving from sponges through mammals.
Smithsonian Institution
Smithsonian National Zoo: Meet Our Animals
This site from the National Zoological Park provides extensive information about many types of animals. Just click on the category you need. Includes pictures and live web cams.
Utah Education Network
Uen: Science Vocabulary Game
Fourth graders will play a review memory game with Utah's Grade 4 Science Standard V vocabulary words during this lesson. Words associated with living things and classifications of living things are included in this lesson.
National Health Museum
Access Excellence: Mystery Spot: Croak
Access Excellence provides this fictional interactive story that explores the possible reasons for a disappearing species of frogs. Follow the clues, and email your answer!
Curated OER
Frozen Wood Frog
This site describes how slimy amphibians crawled and swam on the Earth 190 million years ago. They have adapted in many different ways to become the way they are today. Use this site for more information about amphibians.