Students will complete a one-page claim, evidence, reasoning (CER) writeup where they will answer the following writing prompt: "A block of ice is placed in a frying pan and heated until it reaches boiling (100 degrees Celsius). What three states of matter occur during this experiment? Justify your answer with molecular diagrams and a written explanation." This assessment requires students to think beyond the "just because" answer and include evidence (molecular diagrams) and reasoning to back u