![]() Berryman asked the groups to review and discuss two claims and choose the strongest. To help students understand what makes a strong claim, Mr. Berryman provided guidelines for a quality claim: it should be a statement about the results of their lab work, be one to two sentences in length, and answer the beginning question. The beginning question was: Does the empirical formula of a hydrate depend on the initial mass? Mr. The students’ task was to construct a quality claim about a beginning question by examining evidence and calculations from the previous day’s lab. Each group was given a hydrate salt with a different initial mass. ![]() The lesson on gravimetric analysis occurred in the middle of the unit, and the students had already performed laboratory work.ĭuring the previous class, students performed laboratory tests by heating a hydrate salt to determine its empirical formula. ![]() The goal for this 10-day unit was for students to understand that chemical elements are fundamental building materials of matter and that all matter can be understood in terms of arrangements of atoms, which retain their identity in chemical reactions. Produce clear and coherent writing in which the development, organization, and style are appropriate to task, purpose, and audience. Write informative/explanatory texts, including the narration of historical events, scientific procedures/experiments, or technical processes.įollow precisely a complex multistep procedure when carrying out experiments, taking measurements, or performing technical tasks, attending to special cases or exceptions defined in the text. Write arguments focused on discipline-specific content. Obtaining, evaluating, and communicating informationĬommon Core State Standards for English Language Arts & Literacy in History/Social Studies, Science, and Technical Subjects.Constructing explanations (for science) and designing solutions (for engineering).Planning and carrying out investigations.Asking questions (for science) and defining problems (for engineering).
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