Here is an interactive book lesson through which learners explore the facts and stories about comets. The plan is comprehensive, providing background information, standards met, vocabulary, assessment ideas, and more. Though the content...

Sixth graders explore and examine the production of biofuels from the 1850's to the present. Included in their research is Henry Ford, ethanol, World War I and prohibition. They explain the importance of grains and grasses for the...