| Document Date: 2014-11-24 15:13:31
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City Marbles / Taipei / / Company Creative Commons / / Country Australia / / / IndustryTerm gas supply / steel bridges / expendable granite chips / granite chips / chemical change / expendable quartzite chips / online discussion / gas stove / granite chip / rock chip / / Organization Earth Science Education Unit / / Person Bruce Molnia / Roy / Peter Kennett / / Position Prince / teacher / / ProvinceOrState California / / Technology radiation / rock chip / expendable granite chips / expendable quartzite chips / granite chips / granite chip / Heating granite chips / / URL http /
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Earthlearningidea - http://www.earthlearningidea.com/ Cracking apart Simulating the weathering of rocks in a desert environment Ask pupils to discuss situations where materials expand in the heat and contract in the col