Steam as a Leavening Agent and Protein Structure

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This printable chemistry worksheet for 10th graders pairs a reading passage on steam and proteins with eight comprehension questions. Students explore phase change (water to steam), molecular expansion, hydrogen bonds in protein structure, protein denaturation, and how steam acts as a leavening agent in cooking. Useful for chemistry units on phase change and molecular structure, or as a hands-on connection between chemistry and food science.