In this it's snowing worksheet, students collect a large variety of new snowflakes and then compare those snowflakes to well preserved snowflakes. Students compare and contrast the different types of snowflakes.
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Manure Happens: Managing Nutrients in Livestock Manure
You might not think manure is fodder for practical math applications, but it is! Among other approaches in a diverse resource, your class explores the chemistry of manure via the scientific method (though supporting materials for this...
6th - 8th Science CCSS: Designed