Texas Essential Knowledge and Skills Teaching Resources

Science 3.2

Scientific investigation and reasoning. The student uses scientific practices during laboratory and outdoor investigations. The student is expected to:

  • (1) plan and implement descriptive investigations, including asking and answering questions, making inferences, and selecting and using equipment or technology needed, to solve a specific problem in the natural world;
    • (A) collect and record data by observing and measuring using the metric system and recognize differences between observed and measured data;
    • (B) construct maps, graphic organizers, simple tables, charts, and bar graphs using tools and current technology to organize, examine, and evaluate measured data;
    • (C) analyze and interpret patterns in data to construct reasonable explanations based on evidence from investigations;
    • (D) demonstrate that repeated investigations may increase the reliability of results; and
    • (E) communicate valid conclusions supported by data in writing, by drawing pictures, and through verbal discussion.


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