Here is a clear explanation of decimal place value using batting average as the example. Narrated and animated steps are clicked on so that learners can progress at their own pace. Consider having fifth graders interact with this website...

Scholars examine an animated picture to locate stars that, when chosen, provide a brief scenario, question, and answer. With each answer, a letter appears that later reveals a word.

Responsible farming is important for maintaining natural resources. Eager scientists complete a WebQuest to explore what happens to nitrogen when it enters the soil. They learn about the chemical makeup of nitrogen-based molecules...

In this already and all ready worksheet, students choose the correct word to complete each sentence. Students complete 8 sentences.

Learn about model organisms that research scientists use in lab testing.

The three segments of this site - "Making Medicines," "Rights and Wrongs," and "The Animals" - help users understand the role that animal research plays in scientific, and especially medical, research.

This interactive multimedia site has all sorts of information about muscular dystrophy. The animations and diagrams are excellent, and the interviews gives insight into families dealing with muscular dystrophy. Diagnosis, inheritance,...