Earthquakes are really no one's fault. A thorough lesson explains the different types of earthquakes how they happen. Learners interact with the online lesson to simulate earthquakes and examine their results. The lesson is appropriate...

"If you give a mouse a cookie, then he's going to ask for a glass of milk." These iconic words from Laura Numeroff's classic tale offer a great example of conditionals, a topic covered in the handout as part of a larger writing series...

Acrostic poems are perfect for any topic! A quick tutorial guides learners into writing acrostic poems with the basics and key examples.

Walking through the ancient Nabataean city of Petra can be a challenge. A tour begins with a 20-minute walk down a rocky slope through the narrow Siq to get to the famous Treasury known to Indiana Jones fans. But that is...

When it comes to writing, cliches are as old as dirt. A handout on tired phrases provides examples of cliches, as well as a description of the negative effects they have on a paper. Writers discover specific words and phrases to avoid,...

North and South Korea: two regions divided. The story of the Korean War describes the events that occurred when these two regions' ideologies clashed. The resource uses various images and descriptions of artifacts, in addition to...

How did World War I effect the United States' status as a world power? Pupils examine a website to learn many interesting facts about American involvement during World War I. They read passages and interact with artifacts in an online...

Explore vocabulary related to three-dimensional shapes. An instructional website describes the characteristics of different geometric solids. Learners can use an interactive component to view nets, faces, vertices, and edges of common...

The Cold War was not necessarily always cold in temperature, but the relationship between the United States and the Soviet Union sure was frigid! Scholars read various passages, view exhibition graphics, and observe an artifact from the...

Get ready for an explosive lesson! Learners read and interact with an online lesson describing the characteristics of volcanoes. They study specific historical volcanoes as well as the science of volcanic eruptions using animations and...

This CoolMath resource provides instruction and practice for tangent lines.

This CoolMath resource provides a review of horizontal and vertical lines.

This CoolMath Resource will help students determine if lines are perpendicular by finding the slope, using the point-slope formula, and graphing.

This CoolMath resource will help students understand how to use slope and the point-slope form to determine if two lines are parallel.

Evolution can be supported by the lines of evidence which are presented in this resource. Recognize these lines: fossil evidence, homologies, distribution in time and space, and evidence by example.

This resource explains line integrals in relation to conservative vector fields. It contains example problems with solutions and additional problems to work.

In this video segment [2:10] from Cyberchase, Digit must make a straight line between the two points and then follow the path created.

Brief description of Delay Line Memory, a slower serial based design. This site provides a glimpse into the development of the information age from their large collection warehoused in the Computer History Museum located in Mountain...

An interactive site that explores the elements and principles of visual art through the artist's toolkit. This is from the artist's toolkit encyclopedia and includes information on types of lines, edge and outline, expressive line,...

Wessels Living History Farm explains some of the history behind contour plowing in the United States. Great photo illustrating contour planting on terraces in Iowa included.

An overview of the assembly line and labor before World War II. Read two personal interviews from men who worked for Ford during this era. Includes teaching guide and links to additional resources.

What is the meridian line? Find out and see all the countries it runs throughout. Obtain information on the creation of standard time.

Using a number line has just gotten a little easier for teachers and students in this site from CyberSleuth that contains an assortment of printable number line worksheets. Here you will find blank number lines, number lines with...

Tensions between the colonists and Britain were on the rise at the conclusion of the Seven Years' War. Policies put in place by Britain to control colonial settlement west of the Appalachian Mountains led to resentment among the...