Rock and Rollin’ – We Rock Hard, But Rocks Rock Harder!

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!

Also, for another AWESOME rock song:

And the lyrics:

“Made by pressure, heat, and water.
We rock hard, but rocks rock harder!”



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

How do sedimentary rocks form?



  • avatar
    Anthony / Reply

    Any rock can be transformed through pressure, heat and chemicals (as said in verse 3 of the “Rock Cycle Song”) to make metamorphic stones.
    Sedimentary rocks are formed by particles of sediment being compacted together.

    • avatar

      i think its cool that you can make a rock out of candy

    • avatar
      Margaret Ptak / Reply

      This is very true. Metamorphic stones undergo metamorphosis, which is another word which means change or transformation!

  • avatar
    roxie / Reply

    Sedimentary rocks are formed by rock particles gathering up over time and pushed together to form the layers.

    • avatar
      Margaret Ptak / Reply

      Yes, exactly! They are made from sediments, which is a fancy word for rock particles!

  • avatar
    Mrs. Merdin / Reply

    Exactly! I’m so glad that the words of the song are helping you to make sense of the Rock Cycle. You will never look at rocks the same way again!

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