Curated OER
What are Earthquakes?
Here is a scientific presentation of earthquakes. The elastic rebound theory is explained, as well as the different types of waves and how they are measured. Just a note: Slide number 15 has a diagram that is upside down. Enable editing...
Curated OER
Plate Tectonics
Students identify that most of mountain ranges found on all major land masses and in the oceans are external reflections of tectonic movements within the earth. They identify that earthquakes and related phenomena are caused by the...