TEACHER CERTIFICATION STUDY GUIDE UNDERSTANDING AND SKILL IN PHYSICS

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1 Table of Contents SUBAREA I. PART I. UNDERSTANDING AND SKILL IN MOTION AND FORCES COMPETENCY 1.1 MOTION AND FORCES Skill 1.1a Skill 1.1b Skill 1.1c Skill 1.1d Skill 1.1e Skill 1.1f Skill 1.1g Skill 1.1h Skill 1.1i Discuss and apply Newton s laws...1 Solve problems using Newton s Second Law...3 Define pressure and relate it to fluid flow and buoyancy...4 Describe the relationships among position, distance, displacement, speed, velocity, acceleration, and time, and perform simple calculations using these variables for both linear and circular motion...7 Construct and analyze simple vector and graphical representations of motion and forces Generate and understand functional relationships of graphs showing distance, velocity, and acceleration versus time Recognize relationships among variables for linear motion and rotational motion Solve 2-dimensional problems involving vector analysis of motion and forces, including projectile motion, uniform circular motion, and statics Identify the separate forces that act on a body and describe the net force on the body Skill 1.1j Construct appropriate free-body diagrams of many-body problems Skill 1.1k Solve periodic motion problems Skill 1.1l Skill 1.1m Skill 1.1n Solve problems involving linear and rotational motion in term of forces and torques Identify fundamental forces, including gravity, nuclear forces, and electromagnetic forces, and explain their roles in nature Explain and calculate mechanical advantages for levers, pulleys, and inclined planes i

2 SUBAREA II. CONSERVATION OF ENERGY AND MOMENTUM COMPETENCY 2.1 CONSERVATION OF ENERGY AND MOMENTUM Skill 2.1a Use conservation of energy to characterize kinetic-potential energy systems such as oscillating systems, projectile motion, and roller coasters Skill 2.1b Analyze elastic and inelastic collisions and solve for unknown values Skill 2.1c Skill 2.1d Solve problems involving linear and rotational motion in terms of conservation of momentum and energy Recognize relationships between energy/momentum conservation principles and Newton s Laws Skill 2.1e Examine the impact of friction on conservation principles Skill 2.1f Interpret force-versus-time and force-versus-distance graphs to find, for example, work done or impulse on a system SUBAREA III. HEAT AND THERMODYNAMICS COMPETENCY 3.1 HEAT AND THERMODYNAMICS Skill 3.1a Solve problems involving the laws of thermodynamics using the relationships among work, heat flow, energy, and entropy Skill 3.1b Define and correctly apply thermodynamic properties of materials such as specific heat, heats of fusion, heat of vaporization, thermal conductivity, and thermal expansion to solve problems Skill 3.1c Solve problems for ideal gas systems Skill 3.1d Interpret graphs showing phase changes and graphs of cyclic processes Skill 3.1e Solve problems involving cyclic processes, including calculations of work done, heat gain/loss, and entropy change Skill 3.1f Describe a plasma, state its characteristic properties, and contrast it with an ideal gas ii

3 SUBAREA IV. WAVES COMPETENCY 4.1 WAVES Skill 4.1a Compare the characteristics of sound, light, and seismic waves Skill 4.1b Explain that energy is transferred by waves without mass transfer and provide examples Skill 4.1c Explain how lenses are used in simple optical systems, including the camera, telescope, microscope, and the eye Skill 4.1d Explain and apply the laws of reflection and refraction Skill 4.1e Compare transmission, reflection, and absorption of light in matter Skill 4.1f Relate wave propagation to properties of materials Skill 4.1g Describe, distinguish, and solve both conceptual and numerical problems involving interference, diffraction, refraction, reflection, Doppler effect, polarization, dispersion, and scattering SUBAREA V. ELECTROMAGNETISM COMPETENCY 5.1 ELECTROMAGNETISM Skill 5.1a Describe and provide examples of electrostatic and magnetostatic phenomena Skill 5.1b Predict charges or poles based on attraction/repulsion observations Skill 5.1c Skill 5.1d Skill 5.1e Skill 5.1f Skill 5.1g Build a simple compass and use it to determine direction of magnetic fields, including the Earth s magnetic field Analyze electric and magnetic forces, charges, and fields using Coulomb s law, the Lorentz force, and the right-hand rule Relate electric currents to magnetic fields and describe the application of these relationships, such as in electromagnets, electric current generators, motors, and transformers Solve problems involving the relationships between electric and magnetic phenomena Define and calculate power, voltage differences, current, and resistance in simple circuits Skill 5.1h Design and interpret simple series and parallel circuits Skill 5.1i Apply energy principles to analyze problems in electricity, magnetism, and circuit theory involving capacitors, resistors, and inductors iii

4 Skill 5.1j Skill 5.1k Calculate power, voltage changes, current, and resistance in multiloop circuits involving capacitors, resistors, and inductors Interpret and design mixed series and parallel circuits involving capacitors, resistors, and inductors Skill 5.1l Explain properties of transistors, diodes, and semiconductors SUBAREA 6. QUANTUM MECHANICS AND THE STANDARD MODEL OF PARTICLES COMPETENCY 6.1 QUANTUM MECHANICS AND THE STANDARD MODEL OF PARTICLES Skill 6.1a Skill 6.1b Distinguish the four fundamental forces of nature, describe their ranges, and identify their force carriers Evaluate the assumptions and relevance of the Bohr model of the atom PART II. SUBAREA I. SKILLS AND ABILITIES APPLICABLE TO THE CONTENT DOMAINS IN SCIENCE INVESTIGATION AND EXPERIMENTATION COMPETENCY 1.1 QUESTION FORMULATION Skill 1.1a. Formulate and evaluate a viable hypothesis Skill 1.1b. Recognize the value and role of observation prior to question formulation Skill 1.1c. Recognize the iterative nature of questioning Skill 1.1d. Given an experimental design, identify possible hypotheses that it may test COMPETENCY 1.2. PLANNING A SCIENTIFIC INVESTIGATION Skill 1.2a. Skill 1.2b. Given a hypothesis, formulate an investigation or experimental design to test that hypothesis Evaluate an experimental design for its suitability to test a given hypothesis Skill 1.2c. Distinguish between variable and controlled parameters iv

5 COMPETENCY 1.3 OBSERVATION AND DATA COLLECTION Skill 1.3a. Skill 1.3b. Skill 1.3c. Identify changes in natural phenomena over time without manipulating the phenomena Analyze the locations, sequences, and time intervals that are characteristic of natural phenomena Select and use appropriate tools and technology to perform tests, collect data, analyze relationships, and display data Skill 1.3d. Evaluate the precision, accuracy, and reproducibility of data Skill 1.3e. Identify and analyze possible reasons for inconsistent results, such as sources of error or uncontrolled conditions Skill 1.3f. Identify and communicate sources of unavoidable experimental error Skill 1.3g. Skill 1.3h. Skill 1.3i. Skill 1.3j. Recognize the issues of statistical variability and explain the need for controlled tests Know and evaluate the safety issues when designing an experiment and implement appropriate solutions to safety problems Appropriately employ a variety of print and electronic resources to collect information and evidence as part of a research project Assess the accuracy validity and reliability of information gathered from a variety of sources COMPETENCY 1.4 DATA ANALYSIS/GRAPHING Skill 1.4a. Skill 1.4b. Skill 1.4c. Skill 1.4d. Skill 1.4e. Construct appropriate graphs from data and develop qualitative and quantitative statements about relationships between variables Recognize the slope of the linear graph as the constant in the relationship y=kx and apply this principle in interpreting graphs constructed from data Apply simple mathematical relationships to determine a missing quantity in an algebraic expression, given the two remaining terms Determine whether a relationship on a given graph is linear or non- linear and determine the appropriateness of extrapolating the data Solve scientific problems by using quadratic equations and simple trigonometric, exponential, and logarithmic functions v

6 COMPETENCY 1.5 DRAWING CONCLUSIONS AND COMMUNICATING EXPLANATIONS Skill 1.5a. Draw appropriate and logical conclusions from data Skill 1.5b. Communicate the logical connection among hypotheses, science concepts, tests conducted, data collected, and conclusions drawn from the scientific evidence Skill 1.5c. Communicate the steps and results of an investigation in written reports and oral presentations Skill 1.5d. Recognize whether evidence is consistent with a proposed explanation Skill 1.5e. Construct appropriate visual representations of scientific phenomenon and processes Skill 1.5f. Read topographic and geologic maps for evidence provided on the maps and construct and interpret a simple scale map SUBAREA II. NATURE OF SCIENCE COMPETENCY 2.1. SCIENTIFIC INQUIRY Skill 2.1a. Skill 2.1b. Skill 2.1c. Skill 2.1d. Skill 2.1e. Skill 2.1f. Skill 2.1g. Skill 2.1h. Distinguish among the terms hypothesis, theory, and prediction as used in scientific investigations Evaluate the usefulness, limitations, and interdisciplinary and cumulative nature of scientific evidence as it relates to the development of models and theories as representations of reality Recognize that when observations do not agree with an accepted scientific theory, either the observations are mistaken or fraudulent, or the accepted theory is erroneous or incorrect Understand that reproducibility of data is critical to the scientific endeavor Recognize that science is a self- correcting process that eventually identifies misconceptions and experimental biases Recognize that an inquiring mind is at the heart of the scientific method and that doing science involves thinking critically about the evidence presented, the usefulness of models, and the limitations of theories Recognize that theories are judged by how well they explain observations and predict results and that when they represent new ideas that are counter to mainstream ideas they often encounter vigorous criticism Recognize that when observations, data, or experimental results do not agree, the unexpected results are not necessarily mistakes vi

7 Skill 2.1i. Know why curiosity, honesty, openness, and skepticism are so highly regarded in science and how they are incorporated into the way science is carried out COMPETENCY 2.2 SCIENTIFIC ETHICS Skill 2.2a. Skill 2.2b. Skill 2.2c. Understand that honesty is at the core of scientific ethics; first and foremost is the honest and accurate reporting of procedures used and data collected Know that all scientists are obligated to evaluate the safety of an investigation and ensure the safety of those performing the experiment127 Know the procedures for respectful treatment of all living organisms in experimentation and other investigations COMPETENCY 2.3 HISTORICAL PERSPECTIVES Skill 2.3a. Skill 2.3b. Skill 2.3c. Discuss the cumulative nature of scientific evidence as it relates to the development of models and theories Recognize that as knowledge in science evolves, when observations do not support an accepted scientific theory, the observations are reconsidered to determine if they are mistaken or fraudulent, or if the accepted theory is erroneous or incomplete Recognize and provide specific examples that scientific advances sometimes result in profound paradigm shifts in scientific theories SUBAREA III. SCIENCE AND SOCIETY COMPETENCY 3.1 SCIENCE LITERACY Skill 3.1a. Skill 3.1b. Skill 3.1c. Skill 3.1d. Skill 3.1e. Recognize that science attempts to make sense of how the natural and the designed world function Demonstrate the ability to apply critical and independent thinking to weigh alternative explanations of events Apply evidence, numbers, patterns, and logical arguments to solve problems Understand that, although much has been learned about the objects, events and phenomena in nature, there are many unanswered questions, i.e., science is a work in progress Know that the ability of science and technology to resolve societal problems depends on the scientific literacy of a society vii

8 COMPETENCY 3.2 DIVERSITY Skill 3.2a. Identify examples of women and men of various social and ethnic backgrounds with diverse interests, talents, qualities and motivations who are, or who have been, engaged in activities of science and related fields COMPETENCY 3.3 SCIENCE, TECHNOLOGY, AND SOCIETY Skill 3.3 a. Identify and evaluate the impact of scientific advances on society Skill 3.3 b. Recognize that scientific advances may challenge individuals to reevaluate their personal beliefs COMPETENCY 3.4 SAFETY Skill 3.4a. Choose appropriate safety equipment for a given activity Skill 3.4b. Discuss the safe use, storage, and disposal of commonly used chemicals and biological specimens Skill 3.4c. Assess the safety conditions needed to maintain a science laboratory. 138 Skill 3.4d. Skill 3.4e. Skill 3.4f. Read and decode MSDS/OSHA labels on laboratory supplies and equipment Discuss key issues in the disposal of hazardous materials in either the laboratory or the local community Be familiar with standard safety procedures such as those outlined in the Science Safety Handbook for California Schools (1999) Sample Test Answer Key Rigor Analysis Table Rationales with Sample Questions viii