Learners research three major bridge collapses. In this Physical Science lesson plan, students will sketch a bridge design for their area after their research. All bridge designs will be presented to the class to discuss strengths and...

Students review that air is a form of matter. They investigate how air takes up space. Pupils comprehend that they cannot see air, it takes up space and has mass, therefore it is a form of matter. Students investigate how to show that...

Describes how and why sinkholes form, how to build a house and the effects on plumping in karst terrain, describes collapse sinkholes, and overall effects of sinkholes.

From the Introduction to Structural Design web site. A page of well-written lecture notes on the various structural qualities of building materials. A comparison is made of the strength, stiffness, stability and ductility of materials,...