Students practice weighing coins and explain the ratio of weight to the value of ancient and modern coins. They arrange the coins twice, first according to weight, and then according to value.
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Rain Forest Teaching Curriculum
Take young naturalists on an exploration of the world's tropical rainforests with this extensive collection of lessons and activities. Whether its creating leaf and flower prints or investigating the absorption spectrum of chlorophyl,...
K - 12th Science CCSS: Adaptable