Most of the Earth is hot, molten metal and rock. In fact, the inhabitable part makes up less than 1% of the planet’s mass. This video goes into the details of the earth’s geologic layers and then covers what earthquakes are and how they change the surface of the earth. Earthquakes are events which change the earth’s surface suddenly.
This video satisfies the 2-ESS1-1Â requirement for second grade proficiency.
Students who demonstrate understanding can:
ESS1.C: The History of Planet Earth
Some events happen very quickly; others occur very slowly, over a time period much longer than one can observe. (2-ESS1-1)
