Khan Academy
Khan Academy: Constructing Triangles
Practice constructing triangles. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Science Buddies
Science Buddies: The Tree of Life I (Basic)
Imagine that a biologist arrived at your big family reunion and had no idea who were sisters, cousins, aunts, uncles, etc., but tried to sort it out by how all of you look. Just based on how you look, would s/he be able to guess whether...
Other
Portland Cement Association: Cement Basics
What is the difference between cement and concrete? How is Portland cement made? What does it mean to "cure" concrete? Find answers to these questions and more on this very informative site.
Other
Bare Bones Lesson 7: Basic Search Tips
These quick tips will work with almost any search engine. Do the assignments to practice the techniques that are presented.
Technology Student
Technology Student: Equipment and Processes
This site describes and illustrates the basic equipment and processes that are used in construction and manufacturing.
Other
Theories About the Construction of Gender Identity
Outlines the basic theories of the construction of gender identity.
Alabama Learning Exchange
Alex: Build a City on Geometry
The middle schoolers will be split into small, cooperative groups and build a city following specific guidelines. The students will learn how a city is constructed with angles, intersections, parallel, intersecting, and transversal...
Other
Oikos.org: Jean Piaget
"The basic reason for this international attention was the unquestionable fact that Piaget was the founding father of a branch of psychology that tries to unravel the mysteries of the human mind, how it grows and how it comes to know."...