California Plates and San Andreas Fault Seismic Activity
The article explains how California sits on the North America and Pacific plates with the San Andreas Fault at their boundary. It notes the Pacific Plate’s slow northwest drift and occasional jerks causing earthquakes, measured by a seismograph, with a classroom activity to visualize wave lines and car movement on paper.
MENTIONED IN THIS ARTICLE
California
North America
Pacific
San Andreas Fault
Seismic Shifts in 1906 San Francisco Land Changes
A 1906 earthquake near San Francisco caused the Pacific Plate to move about 20 feet in seconds. The left images illustrate the land alterations. Identify how many distinct changes the pictures reveal.
MENTIONED IN THIS ARTICLE
San Francisco
Animal Facts From Washington Elementary Readers
A collection of student notes about animals includes tigers being the largest cats up to 12 feet, and dolphins, sharks, elephants, anacondas, alligators, sidewinders, cheetahs, cockatoos, and more. Entries describe habitats, behaviors, sizes, diets, and interesting traits with casual schoolroom commentary.
MENTIONED IN THIS ARTICLE
Washington
Lorais
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