Earth Science Experiments for Y8 Posted on 20/11/2023 by Ciderhouse https://ausearthed.com.au/wa/ https://populationeducation.org/sites/default/files/mining-for-chocolate.pdf https://www.teachengineering.org/activities/view/ncs-2031-cookie-mining-cost-benefit-analysis-analysis-profit https://www.earthsciweek.org/classroom-activities/chocolate-rock-cycle