TEKS 112.42(c)(1)(D)
use appropriate tools such as microscopes, slides, Petri dishes, laboratory glassware, metric rulers, digital balances, pipets, filter paper, micropipettes, gel electrophoresis and polymerase chain reaction (PCR) apparatuses, microcentrifuges, water baths, incubators, thermometers, hot plates, data collection probes, test tube holders, lab notebooks or journals, hand lenses, and models, diagrams, or samples of biological specimens or structures;
Source: Texas Administrative Code §112.42-112.51 (Chapter 112) · Adopted 2020/2021
Knowledge & Skills 112.42(c)(1)
Scientific and engineering practices
The student, for at least 40% of instructional time, asks questions, identifies problems, and plans and safely conducts classroom, laboratory, and field investigations to answer questions, explain phenomena, or design solutions using appropriate tools and models. The student is expected to:
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Shrutam is building free, screen-reader-friendly animated lessons for every TEKS standard. This page documents the standard text from the Texas Administrative Code so teachers, parents, and students can find exactly what students are expected to learn under TEKS 112.42(c)(1)(D).
Other expectations under 112.42(c)(1)
- TEKS 112.42(c)(1)(A) ask questions and define problems based on observations or information from text, phenomena, models, or investigations;
- TEKS 112.42(c)(1)(B) apply scientific practices to plan and conduct descriptive, comparative, and experimental investigations and use engineering practices to design solutions to problems;
- TEKS 112.42(c)(1)(C) use appropriate safety equipment and practices during laboratory, classroom, and field investigations as outlined in Texas Education Agency-approved safety standards;
- TEKS 112.42(c)(1)(E) collect quantitative data using the International System of Units (SI) and qualitative data as evidence;
- TEKS 112.42(c)(1)(F) organize quantitative and qualitative data using scatter plots, line graphs, bar graphs, charts, data tables, digital tools, diagrams, scientific drawings, and student-prepared mod…
- TEKS 112.42(c)(1)(G) develop and use models to represent phenomena, systems, processes, or solutions to engineering problems; and
- TEKS 112.42(c)(1)(H) distinguish among scientific hypotheses, theories, and laws.