[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 Army with Banners, a fiction book for children.

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

A scanned copy of the 1852 publication of The Doll and Her Friends by Julia Charlotte Matiland, a fiction book 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.

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.

Sixth graders are asked to do arithmetic with fractions in order to calculate the amount of ingredients they have for baking cookies and how many batches they can make. Aligns with 6.NS.A.1.

Sixth graders are asked to examine a drawing to find the solution to this fraction division problem. Aligns with 6.NS.A.

In this task, 6th graders solve a fraction division problem by drawing a picture, interpreting it, identifying an equation that represents the problem, and verifying that the equation gives the same answer as the picture. Aligns with...

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.

Learners will be introduced to the Greek myth of Apollo and Daphne by critically analyzing the painting Apollo Pursuing Daphne by Tiepolo. They will then design a coat of arms with symbols that best represent their personality and...

A scanned copy of the 1852 publication of Every Boy's Book of Games, a book of puzzles, games, and leisure activities for children.

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.