Curated OER
What is Plastic?
Students experiment with plastics. For this what is plastic lesson, students make a simple polymer and discuss recycling. Students identify various types of plastics.
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Science Alive: Synthetic vs. Natural: What's the Difference?
Through this reading, young scholars will learn that a substance's properties arise from its molecular structure, not from how it's made (i.e., synthesized by people or found in nature). There is no fundamental difference between natural...