Texas State Standards for Science: Grade 7

TX.112.23 (7.1) Scientific Processes: The student conducts field and laboratory investigations using safe, environmentally appropriate, and ethical practices.

7.1. (A) The student is expected to demonstrate safe practices during field and laboratory investigations. 254
Suggested Titles for Texas Science State Standard 7.1. (A)

7.1. (B) The student is expected to make wise choices in the use and conservation of resources and the disposal or recycling of materials. 207
Suggested Titles for Texas Science State Standard 7.1. (B)

TX.112.23 (7.2) Scientific Processes: The student uses scientific inquiry methods during field and laboratory investigations.

7.2. (A) The student is expected to plan and implement investigative procedures including asking questions, formulating testable hypotheses, and selecting and using equipment and technology. 90
Suggested Titles for Texas Science State Standard 7.2. (A)

7.2. (B) The student is expected to collect data by observing and measuring. 44
Suggested Titles for Texas Science State Standard 7.2. (B)

7.2. (C) The student is expected to organize, analyze, make inferences, and predict tends from direct and indirect evidence. 68
Suggested Titles for Texas Science State Standard 7.2. (C)

7.2. (D) The student is expected to communicate valid conclusions. 89
Suggested Titles for Texas Science State Standard 7.2. (D)

7.2. (E) The student is expected to construct graphs, tables, maps, and charts using tools including computers to organize, examine, and evaluate data. 154
Suggested Titles for Texas Science State Standard 7.2. (E)

TX.112.23 (7.3) Scientific Processes: The student uses critical thinking and scientific problem solving to make informed decisions.

7.3. (A) The student is expected to analyze, review, and critique scientific explanations, including hypotheses and theories, as to their strengths and weaknesses using scientific evidence and information. 72
Suggested Titles for Texas Science State Standard 7.3. (A)

7.3. (B) The student is expected to draw inferences based on data related to promotional materials for products and services. 127
Suggested Titles for Texas Science State Standard 7.3. (B)

7.3. (C) The student is expected to represent the natural world using models and identify their limitations. 236
Suggested Titles for Texas Science State Standard 7.3. (C)

7.3. (D) The student is expected to evaluate the impact of research on scientific thought, society, and the environment. 484
Suggested Titles for Texas Science State Standard 7.3. (D)

7.3. (E) The student is expected to connect Grade 7 science concepts with the history of science and contributions of scientists. 225
Suggested Titles for Texas Science State Standard 7.3. (E)

TX.112.23 (7.4) Scientific Processes: The student knows how to use tools and methods to conduct science inquiry.

7.4. (A) The student is expected to collect, analyze, and record information to explain a phenomenon using tools including beakers, petri dishes, meter sticks, graduated cylinders, weather instruments, hot plates, dissecting equipment, test tubes, safety goggles, spring scales, balances, microscopes, telescopes, thermometers, calculators, field equipment, computers, computer probes, timing devices, magnets, and compasses. 102
Suggested Titles for Texas Science State Standard 7.4. (A)

7.4. (B) The student is expected to collect and analyze information to recognize patterns such as rates of change. 17
Suggested Titles for Texas Science State Standard 7.4. (B)

TX.112.23 (7.5) Science Concepts: The student knows that an equilibrium of a system may change.

7.5. (A) The student is expected to describe how systems may reach an equilibrium such as when a volcano erupts. 205
Suggested Titles for Texas Science State Standard 7.5. (A)

7.5. (B) The student is expected to observe and describe the role of ecological succession in maintaining an equilibrium in an ecosystem. 187
Suggested Titles for Texas Science State Standard 7.5. (B)

TX.112.23 (7.6) Science Concepts: The student knows that there is a relationship between force and motion.

7.6. (A) The student is expected to demonstrate basic relationships between force and motion using simple machines including pulleys and levers. 20
Suggested Titles for Texas Science State Standard 7.6. (A)

7.6. (B) The student is expected to demonstrate that an object will remain at rest or move at a constant speed and in a straight line if it is not being subjected to an unbalanced force. 287
Suggested Titles for Texas Science State Standard 7.6. (B)

7.6. (C) The student is expected to relate forces to basic processes in living organisms including the flow of blood and the emergence of seedlings. 621
Suggested Titles for Texas Science State Standard 7.6. (C)

TX.112.23 (7.7) Science Concepts: The student knows that substances have physical and chemical properties.

7.7. (A) The student is expected to identify and demonstrate everyday examples of chemical phenomena such as rusting and tarnishing of metals and burning of wood. 128
Suggested Titles for Texas Science State Standard 7.7. (A)

7.7. (B) The student is expected to describe physical properties of elements and identify how they are used to position an element on the periodic table. 216
Suggested Titles for Texas Science State Standard 7.7. (B)

7.7. (C) The student is expected to recognize that compounds are composed of elements. 207
Suggested Titles for Texas Science State Standard 7.7. (C)

TX.112.23 (7.8) Science Concepts: The student knows that complex interactions occur between matter and energy.

7.8. (A) The student is expected to illustrate examples of potential and kinetic energy in everyday life such as objects at rest, movement of geologic faults, and falling water. 94
Suggested Titles for Texas Science State Standard 7.8. (A)

7.8. (B) The student is expected to identify that radiant energy from the Sun is transferred into chemical energy through the process of photosynthesis. 88
Suggested Titles for Texas Science State Standard 7.8. (B)

TX.112.23 (7.9) Science Concepts: The student knows the relationship between structure and function in living systems.

7.9. (A) The student is expected to identify the systems of the human organism and describe their functions. 62
Suggested Titles for Texas Science State Standard 7.9. (A)

7.9. (B) The student is expected to describe how organisms maintain stable internal conditions while living in changing external environments. 299
Suggested Titles for Texas Science State Standard 7.9. (B)

TX.112.23 (7.10) Science Concepts: The student knows that species can change through generations and that the instructions for traits are contained in the genetic material of the organisms.

7.10. (A) The student is expected to identify that sexual reproduction results in more diverse offspring and asexual reproduction results in more uniform offspring. 77
Suggested Titles for Texas Science State Standard 7.10. (A)

7.10. (B) The student is expected to compare traits of organisms of different species that enhance their survival and reproduction. 423
Suggested Titles for Texas Science State Standard 7.10. (B)

7.10. (C) The student is expected to distinguish between dominant and recessive traits and recognize that inherited traits of an individual are contained in genetic material. 260
Suggested Titles for Texas Science State Standard 7.10. (C)

TX.112.23 (7.11) Science Concepts: The student knows that the responses of organisms are caused by internal or external stimuli.

7.11. (A) The student is expected to analyze changes in organisms such as a fever or vomiting that may result from internal stimuli. 403
Suggested Titles for Texas Science State Standard 7.11. (A)

7.11. (B) The student is expected to identify responses in organisms to external stimuli found in the environment such as the presence or absence of light. 299
Suggested Titles for Texas Science State Standard 7.11. (B)

TX.112.23 (7.12) Science Concepts: The student knows that there is a relationship between organisms and the environment.

7.12. (A) The student is expected to identify components of an ecosystem. 78
Suggested Titles for Texas Science State Standard 7.12. (A)

7.12. (B) The student is expected to observe and describe how organisms including producers, consumers, and decomposers live together in an environment and use existing resources. 92
Suggested Titles for Texas Science State Standard 7.12. (B)

7.12. (C) The student is expected to describe how different environments support different varieties of organisms. 173
Suggested Titles for Texas Science State Standard 7.12. (C)

7.12. (D) The student is expected to observe and describe the role of ecological succession in ecosystems. 181
Suggested Titles for Texas Science State Standard 7.12. (D)

TX.112.23 (7.13) Science Concepts: The student knows components of our solar system.

7.13. (A) The student is expected to identify and illustrate how the tilt of the Earth on its axis as it rotates and revolves around the Sun causes changes in seasons and the length of a day. 189
Suggested Titles for Texas Science State Standard 7.13. (A)

7.13. (B) The student is expected to relate the Earth's movement and the moon's orbit to the observed cyclical phases of the moon. 377
Suggested Titles for Texas Science State Standard 7.13. (B)

TX.112.23 (7.14) Science Concepts: The student knows that natural events and human activity can alter Earth systems.

7.14. (A) The student is expected to describe and predict the impact of different catastrophic events on the Earth. 123
Suggested Titles for Texas Science State Standard 7.14. (A)

7.14. (B) The student is expected to analyze effects of regional erosional deposition and weathering. 91
Suggested Titles for Texas Science State Standard 7.14. (B)

7.14. (C) The student is expected to make inferences and draw conclusions about effects of human activity on Earth's renewable, non-renewable, and inexhaustible resources. 148
Suggested Titles for Texas Science State Standard 7.14. (C)