Texas TEKS Standards
TX.112.19. Science, Grade 7.
(7.12) Organisms and environments. The student knows that living systems at all levels of organization demonstrate the complementary nature of structure and function. The student is expected to:
7.12 (A) Investigate and explain how internal structures of organisms have adaptations that allow specific functions such as gills in fish, hollow bones in birds, or xylem in plants.
7.12 (D) Differentiate between structure and function in plant and animal cell organelles, including cell membrane, cell wall, nucleus, cytoplasm, mitochondrion, chloroplast, and vacuole.
7.12 (E) Compare the functions of a cell to the functions of organisms such as waste removal.
(7.2) Scientific investigation and reasoning. The student uses scientific inquiry methods during laboratory and field investigations. The student is expected to:
7.2 (A) Plan and implement comparative and descriptive investigations by making observations, asking well-defined questions, and using appropriate equipment and technology.
7.2 (C) Collect and record data using the International System of Units (SI) and qualitative means such as labeled drawings, writing, and graphic organizers.
(7.3) Scientific investigation and reasoning. The student uses critical thinking, scientific reasoning, and problem solving to make informed decisions and knows the contributions of relevant scientists. The student is expected to:
7.3 (A) In all fields of science, analyze, evaluate, and critique scientific explanations by using empirical evidence, logical reasoning, and experimental and observational testing, including examining all sides of scientific evidence of those scientific explanations, so as to encourage critical thinking by the student.
(7.5) Matter and energy. The student knows that interactions occur between matter and energy. The student is expected to:
7.5 (A) Recognize that radiant energy from the Sun is transformed into chemical energy through the process of photosynthesis.
7.5 (C) Diagram the flow of energy through living systems, including food chains, food webs, and energy pyramids.
(7.6) Matter and energy. The student knows that matter has physical and chemical properties and can undergo physical and chemical changes. The student is expected to:
7.6 (C) Recognize how large molecules are broken down into smaller molecules such as carbohydrates can be broken down into sugars.
(7.7) Force, motion, and energy. The student knows that there is a relationship among force, motion, and energy. The student is expected to:
7.7 (B) Illustrate the transformation of energy within an organism such as the transfer from chemical energy to heat and thermal energy in digestion.