Should we be afraid of a large asteroid impact on Earth today? Young scientists estimate the size and composition of an asteroid similar to the one that caused the K-T mass extinction. They apply algebraic formulas to answer questions...

Here's a topic classes can really dig—the fossil record. Use the well-organized and thoughtful road map to take eighth graders back in time to unearth the answer. Learn how our climate has changed, and how organisms have...

The story of one bird provides valuable insight into general animal behaviors and interactions. Young researchers investigate the peregrine falcon using a web search. They analyze the behaviors of the raptor including its migration...

Explore soil, genetic traits, natural resources, and pollution in a series of lessons that focus on biodiversity. Kids complete experiments to learn more about the importance of varied genes and organisms in an ecosystem.

In this everyday editing worksheet, students correct grammatical mistakes in a short paragraph. The errors range from capitalization, punctuation, spelling, and grammar.

Young scientists find out what makes amphibians such unique and interesting animals in this simple life science lesson. After looking at pictures and discussing the characteristics of amphibians, learners complete a series...

How did that turkey get from the early Aztec culture to your table? Learn about the history of wild and domesticated turkeys in North America, as well as their inclusion in Thanksgiving traditions, with a two-part agricultural science...

How many animals can live in a climate as cold as Mount Everest's? Find out with a science lesson all about biodiversity. Activities include research, presentations, group work, coloring maps, and a simulation of a food web.