TEKS: Chapter 112. Science See All Teacher Resources

112.35.c.1

(1) Scientific processes. The student, for at least 40% of instructional time, conducts laboratory and field investigations using safe, environmentally appropriate, and ethical practices. The student is expected to:

• (A) analyze, evaluate, and critique scientific explanations by using empirical evidence, logical reasoning, and experimental and observational testing, so as to encourage critical thinking by the student; 
• (B) know specific hazards of chemical substances such as flammability, corrosiveness, and radioactivity as summarized on the Safety Data Sheets (SDS) ; and 
• (C) demonstrate an understanding of the use and conservation of resources and the proper disposal or recycling of materials.