In the following interactive students will begin to define net force, external force, and system and understand Newton's second law of motion. They will also apply Newton's second law to determine the weight of an object.

A series of resources provided to teach students the concept of demand and demand curve shifts. After taking notes, students can view two video segments to help clarify the concept.

In this lesson, students will engage in multiple parts of a lesson that guide students to uncover many levels of meaning in media messages. Discussion questions and a slideshow presentation are parts of the lesson that address the...

View an example of a frieze that would have decorated the wall of a Buddhist monument or monastic building. These images told a story to worshipers, essentially reminding them of key moments in the life of the Buddha. This frieze shows...

Exhibition on the healing practices and traditions of Native Americans from 100,000 years ago up to the present day. Information is organized by theme and by historical time period, and many well known Native American figures are profiled.

A guide to support parents as they work with their students in the concept of congruence.

This keynote address from a 1980 Orthodox Youth Conference addresses the differences between eastern and western conceptions of Christianity. Includes detailed footnotes; very interesting.

This relief scene from around 100 to 300 depicts the dream of Maya, the mother of the historical Buddha. Queen Maya is asleep in her palace under a full moon. An attendant stands guard outside. In her dream, a white elephant enters her...

First graders solve story problems where they create numbers using a group of 10 and some extra.

[Free Registration/Login may be required to access all resource tools.] Explores Einstein's theory of gravity and the warping of space-time.

In this video from Cyberchase, Bianca is babysitting infant twins. As she tries to give each twin the same amount of liquid baby formula, she discovers that all the baby bottles are different shapes. Learn how she finds two that hold the...

By taking a look at the energy of motion all around us, students learn about the types of energy and their characteristics. They first learn about the two simplest forms of mechanical energy: kinetic and potential energy, as illustrated...

[Free Registration/Login may be required to access all resource tools.] In this online lesson students will apply the concept of conservation of momentum using action and reaction forces.

There is a great interactive problem set for students to practice the concept of the inverse property. This would be a great review before a unit on solving basic equations.

Learn about the development of Islamic philosophy. Discover its origins and the differences between falsafa and hikma, otherwise referred to as the various schools of thought within Islamic philosophy. Peripatetic philosophy is discussed...

Discover Alfred Wegner's ideas relating to continental drift and seafloor spreading which are both evidence to the concept of plate tectonics.

This site provides great practice on the concept of order of operations. Students can first learn about the topic by watching a step by step instruction video that also points out areas of concern. Finally, students can practice their...

Focusing on the question, "By how much does light refract when it crosses a boundary?" this physics tutorial will allow students the opportunity to explore these concepts of refraction.

Students use conductivity meters to measure various salt and water solutions, as indicated by the number of LEDs (light emitting diodes) that illuminate on the meter. Students create calibration curves using known amounts of table salt...

Students are introduced to the concepts of graywater and water reuse within households. They calculate the amount of used water a family generates in one day and use a model of home plumbing to find out how much graywater is produced in...

This Kindergarten unit introduces children to the concept of history as story, and establishes student familiarity with documents and concepts of change and continuity between now and the past. By telling their own stories through...

In this lab activity, middle schoolers investigate the concept of frame of reference by observing, describing and drawing the same walking motion from different positions. Additionally, they determine the effect of frame of reference on...

This site connects the Durkheimian concept of anomie with the famous suicide study. It is well laid-out and fairly easy to read. A few links require authorized access.

This excellent site employs expository analysis to examine the concept of the Trinitarian, Chalcedonian, and Oneness Movements. The article is loaded with references relative to the argument presented.