Essential Knowledge and Skills (TEKS)
112.24.6: The student knows that interdependence occurs among living systems.
112.24.6.A: describe interactions among systems in the human organism;
112.24.6.B: identify feedback mechanisms that maintain equilibrium of systems such as body temperature, turgor pressure, and chemical reactions;
112.24.6.C: describe interactions within ecosystems.
Food Chain
Forest Ecosystem
Interdependence of Plants and Animals
Prairie Ecosystem
112.24.7: The student knows that there is a relationship between force and motion.
112.24.7.A: demonstrate how unbalanced forces cause changes in the speed or direction of an object's motion;
Atwood Machine
Fan Cart Physics
Inclined Plane - Simple Machine
Roller Coaster Physics
Uniform Circular Motion
112.24.8: The student knows that matter is composed of atoms.
112.24.8.A: describe the structure and parts of an atom;
112.24.8.B: identify the properties of an atom including mass and electrical charge.
Charge Launcher
Element Builder
Nuclear Decay
112.24.9: The student knows that substances have chemical and physical properties.
112.24.9.B: interpret information on the periodic table to understand that physical properties are used to group elements;
112.24.9.C: recognize the importance of formulas and equations to express what happens in a chemical reaction;
Balancing Chemical Equations
Chemical Equation Balancing
Limiting Reactants
Stoichiometry
112.24.9.D: identify that physical and chemical properties influence the development and application of everyday materials such as cooking surfaces, insulation, adhesives, and plastics.
112.24.10: The student knows that complex interactions occur between matter and energy.
112.24.10.A: illustrate interactions between matter and energy including specific heat;
112.24.10.B: describe interactions among solar, weather, and ocean systems;
Seasons Around the World
Seasons in 3D
Seasons: Earth, Moon, and Sun
Seasons: Why do we have them?
112.24.11: The student knows that traits of species can change through generations and that the instructions for traits are contained in the genetic material of the organisms.
112.24.11.A: identify that change in environmental conditions can affect the survival of individuals and of species;
112.24.11.B: distinguish between inherited traits and other characteristics that result from interactions with the environment;
Evolution: Mutation and Selection
Microevolution
Natural Selection
Rainfall and Bird Beaks
112.24.11.C: make predictions about possible outcomes of various genetic combinations of inherited characteristics.
Chicken Genetics
Microevolution
Natural Selection
112.24.12: The student knows that cycles exist in Earth systems.
112.24.12.A: analyze and predict the sequence of events in the lunar and rock cycles;
Moon Phases
Moonrise, Moonset, and Phases
Rock Cycle
112.24.12.B: relate the role of oceans to climatic changes;
112.24.14: The student knows that natural events and human activities can alter Earth systems.
112.24.14.C: describe how human activities have modified soil, water, and air quality.
Correlation last revised: 7/17/2010