Texas Essential Knowledge and Skills Teaching Resources

Science 4.2

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 well defined questions, making inferences, and selecting and using appropriate equipment or technology to answer his/her questions;
    • (A) collect and record data by observing and measuring, using the metric system, and using descriptive words and numerals such as labeled drawings, writing, and concept maps;
    • (B) construct simple tables, charts, bar graphs, and maps using tools and current technology to organize, examine, and evaluate data;
    • (C) analyze data and interpret patterns to construct reasonable explanations from data that can be observed and measured;
    • (D) perform repeated investigations to increase the reliability of results; and
    • (E) communicate valid oral and written results supported by data.


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