Introduction: This lesson provides students with a review of simple machines and their tasks. It works best in combination with your lesson on simple machines, or as a review/additional activity.

As concluded in Lesson 4, earthquakes are associated with displacements on faults. Faults lock and a displacement occurs when the stress across the fault builds up to a sufficient level to cause ...

Tuesday, Dec 15, 2015 9:16 AM Updated Friday, Dec. 18, 2015 4:19 AM Families of freshmen at Animas High School have found it difficult to make breakfast during the last month or so. The students ...