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The K-W-L strategy works well as a preassessment tool because it reveals what students know and want to learn about a topic before instruction and as a postassessment tool because it fosters reflection. Minor modifications to the strategy can incorporate elements essential to science inquiry: questioning, methodology, and evaluation. This new framework is called T-H-C, for the questions, What do you Think? How can we find out? and What do we Conclude?