[Free Registration/Login Required] A detailed lesson with downloadable PowerPoints and student handouts that examines how the study of comparative embryology provides support for the theory of evolution.

Students will learn how oil and natural gas are pumped or recovered from the earth.

Using maps and graphs of large data sets collected in FrogWatch, learners will determine the range, preferred land cover, and proximity to water of the American bullfrog to figure out the bullfrog's requirements for food, water, and...

In this lesson plan, young scholars will consider "Background on the Patriot Attitude Toward the Monarchy." The plan includes worksheets and other student materials that can be found under the resource tab.

In this lesson plan, young scholars will consider "David Walker vs. John Day: Two Nineteenth-Century Free Black Men." The plan includes worksheets and other student materials that can be found under the resource tab.

A scanned copy of the 1852 publication of The Book of Ballads, a book of poetry for children.

Lesson plans for two different grade levels discussing the footwear of the Plains Indians and the information one can gather from common items to find out about a culture.

This resource describes how Lewis and Clark described various animals two centuries ago.

This site from the Library of Congress contains great, but somewhat brief, information on Spanish California. The text is about three paragraphs long, but has great information on the early Spanish settlers of California.

A learning module that begins with "More Facebook Friends, Fewer Real Ones, Says Corness Study" by ABC News, accompanied by guided reading questions, assessment questions, and discussion questions. The text can be printed as a PDF or...

An interesting article that discusses a possible genetic link between a man named Lawrence Berry who could be a descendant of the lost Roanoke Island colonists. It explains some history of the colony, possible theories about the...

A set of four practice problems finding the points of quadrilaterals on a coordinate plane.

In this activity, students will examine the ways in which a magazine cover's headlines and graphics express the main ideas of its articles. They will then use an interactive tool to create covers that summarize chapters of informational...

This impressive lesson plan has students working together and creating a PowerPoint presentation about a specific Civil War topic.

Students will analyze data from an air pollution study as well as facts about air pollution and use the data as evidence to infer the effect of using natural resources on the atmosphere and on public health.

This page explains the relation between liters and milliliters and the conversion between these units. Included are solved examples and interactive problems for review.

Kids learn about the history and timeline of the country of the Netherlands including early settlers, kings and leaders, artists, Word War II, and current events.

Kids learn about the history and timeline of the country of South Africa including early tribes, Dutch settlers, British rule, Boer Wars, apartheid, and Nelson Mandela.

These four drafts of architectural blueprints were created by a 5th/6th grade student from Shutesbury Elementary School, in Shutesbury, Massachusetts, as part of a Learning expedition on Architecture.

7th and 8th grade students at Capital City Public Charter School created this guide to energy efficiency as the capstone project to a seven-month expedition on Green Building. During this expedition students worked under the guidance of...

Add this art idea to your list of multicultural activities. Inspired by the Mexican tradition of tin punching this lesson gives some ideas for good cheap tin alternatives.

Build spelling skills by choosing the correct spelling of these ten commonly misspelled words.

Describes the geography of the Pampas, or grasslands, of Argentina and the cowboys called Gauchos.