What objects are in the day sky and the night sky? How do they seem to move? Come and explore with us as we discover the sun, moon, planets and stars! This detailed lesson plan includes pictures and videos of the lesson in action,...

[Free Registration/Login Required] Learn all about the components of the solar system with this downloadable lesson plan. Includes several student handouts and a research activity.

Provides an explanation, examples, and a video lesson all related to the quadratic formula. [2:45]

How to simplify an expression is explained through the use of examples and a video lesson. [2:41]

Gain an understanding of how to calculate the area and the perimeter by viewing examples and a video lesson. [1:13]

Gain an understanding of monomials and polynomials by viewing examples and a video lesson. [0:57]

Provides examples and a video lesson that illustrate the composition of functions. [1:44]

Learn about circle graphs or pie charts through examples and a video lesson.

Learn about the types of triangles by taking a look at an example and a video lesson.

Provides an example and a video lesson that illustrates integers and rational numbers.

Provides examples and a video lesson that illustrates how to solve linear inequalities.

Provides examples and a video lesson that illustrate how to multiply and divide polynomials.

In this lesson plan investigation students learn about the shapes of the planetary orbits by experimenting with ellipses of different proportions.

This site clearly explains the concept of Social Darwinism, then asks students to evaluate its implications in an example. Good lesson in critical thinking and philosophy.

[Free Registration/Login Required] This flipchart discusses context clues and how they are used to determine the meaning of unfamiliar words. There is sufficient material for several lessons on this topic. Included are activities and...

[Free Registration/Login Required] Students will recognize the functions of dictionaries and the types of information available in dictionaries used in schools. They will learn the differences between dictionaries and thesauruses....

Our planet was once populated by megafauna, big top-of-the-food-chain predators that played their part in balancing our ecosystems. When those megafauna disappear, the result is a "trophic cascade," where every part of the ecosystem...