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Igneous, sedimentary and metamorphic

Posted by on February 26, 2018

We explored different rocks to determine whether they were igneous, sedimentary or metamorphic.

We used starburst sweets to explore the rock cycle, and how the rocks can change between the three types. We were shown how an igneous rock is formed by the cooling of magma, but then we all created our own sedimentary rocks by chopping and squishing together to form layers and lumps. Then we applied heat and pressure using our hands to form metamorphic rocks.


We then got magnifying glasses and looked at five samples of rocks to see whether we could identify what type of rocks they were: igneous, sedimentary or metamorphic.

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