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unit 7
11 Instructional days (11 hours)

The History of the Earth


In this domain, students will learn about the geographical features of the earth’s surface. They will also learn about the inside of the earth and characteristics of its various layers. Students will learn about the shape of the earth, the North and South Poles, and the equator. Students will also learn the names of the layers of the earth—the crust, the mantle, and the core—and characteristics of each layer. Students will learn how occurrences such as volcanoes and geysers give information about the layers of the earth.


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From of the New York State Education Department. Grade 1 ELA Domain 7: The History of the Earth. Available from; accessed 2015-05-29.
This work is based on an original work of the Core Knowledge® Foundation made available through licensing under a Creative Commons AttributionNonCommercial-ShareAlike 3.0 Unported License. This does not in any way imply that the Core Knowledge Foundation endorses this work.