Rocks - Hardness investigation and erosion
Two lessons to fit into rocks and soils planning for KS2 (can be adapted for different year groups). 1) Lesson on the hardness of rocks using MOHS scale of hardness & investigation. This could easily be expanded to include more elements of planning and carrying out a full investigation. 2) Lesson on rock sizes and erosion. BBC class clip about weathering and worksheet with descriptions of different types of erosion to be illustrated. (HA could do this without the support sheet é write own descriptions from headings). Could be combined with allowing chn research time using books/internet.


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  • Mohs hardness scale ppt.pptx
  • Can I investigate the hardness of rocks.docx
  • Boulders_cobbles_pebbles_gravel.pptx
  • Can I explain Erosion HA.docx
  • Can I explain Erosion LA.docx

About this resource


Created: May 13, 2014

Updated: May 5, 2017


pptx, 611 KB

Mohs hardness scale ppt


docx, 11 KB

Can I investigate the hardness of rocks


pptx, 621 KB


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