Percent Increase and Decrease Quiz
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Chemical Change vs. Physical Change – Valentine’s Day Science Investigation
This Chemical Change vs. Physical Change Valentine’s Day Science Investigation is a complete STEM lab that helps students understand changes in matter through hands-on candy experiments. Students investigate breaking, dissolving, and melting candy hearts and use evidence-based reasoning to classify each change as physical or chemical. This is not a worksheet. It is a full science investigation with structured experiments, data analysis, CER writing, assessments, rubrics, and extension pro
3rd - 6th
Basic Operations, Engineering, General Science
Cranberry Catapult STEM Challenge — Thanksgiving Engineering, Data & Measurement
Turn Thanksgiving week into a high-engagement STEM engineering challenge. Students design and build a simple cranberry catapult, test three trials, measure distance in centimeters, graph results, and reflect on force, motion, and the engineering design process. Includes a Safety Rules poster, score/data sheets, a 10-point rubric, discussion prompts, extension ideas, and a 5-question mini-quiz. Perfect for science, engineering, or a holiday STEM day; works great for whole-group, stat
3rd - 6th
Engineering, Graphing, Measurement
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