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These patterns help to make predictions that can be scientifically tested. The student, for at least 40% of instructional time, conducts laboratory and field investigations using safe, environmentally appropriate, and ethical practices.Students should analyze a system in terms of its components and how these components relate to each other, to the whole, and to the external environment. The student is expected to: (A) demonstrate safe practices during laboratory and field investigations, including chemical, electrical, and fire safety, and safe handling of live and preserved organisms; and (B) demonstrate an understanding of the use and conservation of resources and the proper disposal or recycling of materials. The student uses scientific methods during laboratory and field investigations.
Students should be able to distinguish between scientific decision-making methods and ethical and social decisions that involve the application of scientific information. A system is a collection of cycles, structures, and processes that interact.All systems have basic properties that can be described in terms of space, time, energy, and matter.Change and constancy occur in systems as patterns and can be observed, measured, and modeled.The provisions of 112.32-112.39 of this subchapter shall be implemented by school districts beginning with the 2010-2011 school year.Source: The provisions of this 112.31 adopted to be effective August 4, 2009, 34 Tex Reg 5063; amended to be effective August 24, 2010, 35 Tex Reg 7230. Aquatic Science, Beginning with School Year 2010-2011 (One Credit). Students shall be awarded one credit for successful completion of this course.