Learn about the taxonomy of living things and the seven life processes carried out by living organisms: support, reproduction, digestion, transportation, circulation, excretion, and response. Included are many eThemes resources on microbes, living things, human anatomy, and plants.
Topics include "Principles of Classification" and "Kingdom to Subphylum." There are also interactive crossword puzzles and flashcards. This site has audio files embedded in the written material with the pronunciation of Latin words.
Students can click on "Treehouses" for Tree of Life pages designed for learners of all ages. Teachers can click on "Learning" to explore many links including the "Building for Teachers" which explains the builders toolkit. This site also has a search function. There is also an extensive image gallery.
"The Manduca Project is based in student explorations of Manduca sexta, (the tobacco hornworm) and has proven that this insect is important not only as a research subject, but also as a strong bridge between scientists and students." Students can watch a video of the Manduca laying eggs by clicking on "Videos." Activities include "Lesson Plans," "Posters," and "Coloring Book."
What do living things needs in order to stay alive? What makes something alive? These pages contain activities and experiments to help students observe and explore the characteristics and needs of life. There are also videos, quizzes, and handouts.
These sites explain how vertebrates and invertebrates are classified in the animal kingdom. There is information about the five groups of vertebrates (fish, amphibians, reptiles, birds, and mammals) and the seven phylums of invertebrates (sponges, coelenterates, echinoderms, worms, mollusks, and arthropods). Includes games that have students guess a type of animal based upon clues about its characteristics. For more information about specific animal species, browse our alphabetical listing of eThemes animal topics.
These sites provide information about the circulatory system for the upper grades. Learn about the different organs of the circulatory system and their functions. There are animations, online quizzes, games, and interactive tours of this system.
Learn about the three types of muscles in your body. Find out how they work in pairs and learn what happens when they are stretched too far. There is also information about cells, joints, and bones. Includes movies, diagrams, and word searches.
These sites focus on the urinary and excretory systems and the removal of the body's waste. Learn about the different organs involved in these systems. View diagrams of the bladder, kidneys, and urethra. Includes an animated movie and photographs of organs.
These sites focus on the stages animals go through as they mature. Learn how insects, fish, amphibians, birds, mammals, and humans develop. See videos of animals when they are developing embryos. Watch a chicken hatch from its egg. There are many diagrams that visually represent the life cycle.
These sites describe the structures and functions of plant and animal cells. Zoom in on cells to see what they look like as the magnification of the microscope changes. Includes several images and some animated movies.
These sites are about bacteria, where they live, what they look like, and why they can be harmful to humans. Find out who is credited with discovering bacteria. Includes online quizzes, movies, and hands-on experiments.