Essential Knowledge and Skills (TEKS)
112.42.4: The student knows concepts of force and motion evident in everyday life.
112.42.4.A: calculate speed, momentum, acceleration, work, and power in systems such as in the human body, moving toys, and machines;
112.42.4.B: investigate and describe applications of Newton's laws such as in vehicle restraints, sports activities, geological processes, and satellite orbits;
112.42.4.C: analyze the effects caused by changing force or distance in simple machines as demonstrated in household devices, the human body, and vehicles;
112.42.4.D: investigate and demonstrate mechanical advantage and efficiency of various machines such as levers, motors, wheels and axles, pulleys, and ramps.
112.42.5: The student knows the effects of waves on everyday life.
112.42.5.A: demonstrate wave types and their characteristics through a variety of activities such as modeling with ropes and coils, activating tuning forks, and interpreting data on seismic waves;
112.42.5.B: demonstrate wave interactions including interference, polarization, reflection, refraction, and resonance within various materials;
112.42.5.D: demonstrate the application of acoustic principles such as in echolocation, musical instruments, noise pollution, and sonograms.
112.42.6: The student knows the impact of energy transformations in everyday life.
112.42.6.A: describe the law of conservation of energy;
112.42.6.B: investigate and demonstrate the movement of heat through solids, liquids, and gases by convection, conduction, and radiation;
112.42.6.C: analyze the efficiency of energy conversions that are responsible for the production of electricity such as from radiant, nuclear, and geothermal sources, fossil fuels such as coal, gas, oil, and the movement of water or wind;
112.42.6.E: measure the thermal and electrical conductivity of various materials and explain results;
112.42.6.F: investigate and compare series and parallel circuits;
112.42.7: The student knows relationships exist between properties of matter and its components.
112.42.7.A: investigate and identify properties of fluids including density, viscosity, and buoyancy;
112.42.7.B: research and describe the historical development of the atomic theory;
112.42.7.C: identify constituents of various materials or objects such as metal salts, light sources, fireworks displays, and stars using spectral-analysis techniques;
112.42.7.D: relate the chemical behavior of an element including bonding, to its placement on the periodic table;
112.42.8: The student knows that changes in matter affect everyday life.
112.42.8.A: distinguish between physical and chemical changes in matter such as oxidation, digestion, changes in states, and stages in the rock cycle;
112.42.8.C: investigate and identify the law of conservation of mass;
112.42.8.D: describe types of nuclear reactions such as fission and fusion and their roles in applications such as medicine and energy production;
112.42.9: The student knows how solution chemistry is a part of everyday life.
112.42.9.B: relate the concentration of ions in a solution to physical and chemical properties such as pH, electrolytic behavior, and reactivity;
112.42.9.D: demonstrate how various factors influence solubility including temperature, pressure, and nature of the solute and solvent;
Correlation last revised: 7/17/2010