[Free Registration/Login may be required to access all resource tools.] Discusses the components and functions of the skeletal system; the structure of bone, and how bones grow and develop; and the different types of joints, and how they...

[Free Registration/Login may be required to access all resource tools.] Covers the major organs and general functions of the digestive system; the digestive functions of the mouth, esophagus, and stomach; and how digestion and absorption...

[Free Registration/Login may be required to access all resource tools.] Describes the layers and functions of the skin, and explains what you can do to help keep your skin healthy.

[Free Registration/Login may be required to access all resource tools.] Looks at the processes of sexual reproduction in flowering plants, including pollination, fertilization (seed production), seed dispersal, and germination.

[Free Registration/Login may be required to access all resource tools.] Defines respiration, looks at structures of the respiratory system, and discusses breathing mechanisms.

[Free Registration/Login may be required to access all resource tools.] Discusses the parts and functions of the cardiovascular system.

Anaken lives with his brother Kiko on a beautiful island. Today they are learning about life processes. Join them and find out what they learn.

This helpful page from Discovery Education provides science fair ideas in Life Science, Earth Science, and Biology. Testable questions to get you started are listed beneath each domain.

Sophie and Max are growing plants in their greenhouse. Join them, and learn about the life cycle of a plant.

Learn about the life cycles of plants and animals then demonstrate what you know with activities, a quiz, and related resources.

A brief explanation of life cycle is provided along with pictoral respresentations of three different examples of life cycles (apple tree, butterfly and frog). The term metamorphosis is introduced and the resouce has an interactive...

Kids learn about the oxygen cycle and how this nutrient travels through the ecosystem to sustain life on Earth.

An informational text about the human heart, its parts, and it functions. A question sheet is available to help students build skills in reading comprehension.

Study the science of isotopes in chemistry including naming isotopes, hydrogen, examples, fun facts, unstable, and stable on this site.

Explore information about enzymes in the science of biology including what they do, how they work, and things that affect enzyme activity.

A description of animal relationships of mutualism (symbiosis), commensalism, and parasitism. A real life example is given for each type.