Rock Cycle

Rock Cycle:  The Hard Truth

Today’s science lesson was all about rocks! After briefly reviewing the different layers of the Earth, students learned all about the Rock Cycle and the three main categories of rocks (sedimentary, igneous and metamorphic). We discussed how all the rocks on the earth are constantly changing due to weathering and changes in pressure and temperature. By examining and identifying samples of different rock types, the students developed a greater understanding for how each rock type is formed.  They also learned the differences between minerals and rocks and were introduced to Massachusetts’ state rock, the Roxbury Puddingstone, a stone used for building in the Boston/Roxbury area.

 

Additional Information:

This YouTube video offers a fun review of the three rock types. It’ll make you hungry to learn about rocks! http://www.youtube.com/watch?v=pg_jKJFbA2A

Questions:

Explain how granite (a igneous rock) can be turned into gneiss ( a metamorphic rock).

How do sedimentary rocks form?

 Rocks1 Rock Cycle1 Rock Cycle2

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