Grade/Course: Pre-AP Physics Unit 2

Transcription

1 Grade/Course: Pre-AP Physics Unit 2 Unit Concepts: Newton s Law of Motion, Forces, Equilibrium, Work, Power, & Energy, Simple Machines, Kinetic Energy & Potential Energy, Conservation of Energy, Momentum & Collisions, & Conservation of Energy Concept (Suggested Time) Specificity TEKS Student Expectation Total Days of Instruction: 24 Textbook Correlation Suggested Lessons & Activities Additional Resources Newton s Laws Of Motion 4A Generate, Interpret GRAPHS AND CHARTS description of different types of motion use of real-time technology motion detectors photogates information illustrated on graphs position-time velocity-time acceleration-time 4B Describe, Analyze MOTION IN ONE DIMENSION equations distance displacement speed average velocity instantaneous velocity acceleration linear systems vector quantities of displacement and vector sum displacement problems velocity problems 4A 4B +generate and interpret graphs and charts describing different types of motion, including the use of real-time technology such as motion detectors or photogates; +describe and analyze motion in one dimension using equations with the concepts of distance, displacement, speed, average velocity, instantaneous velocity, and acceleration; Pg CSCOPE: Newton s Laws of Motion Newton s Laws PPT Inertia Problem Solving Tablecloth under dishes Embroidery Hoop Coin on Index card

2 vectors vs. scalars vectors vs. speed displacement vs. distance 4C Analyze, Describe ACCELERATION MOTION IN TWO DIMENSIONS equations projectile examples circular examples acceleration problems involving uniform acceleration and free fall using the kinematic equations Calculate THE EFFECT OF FORCES ON OBJECTS law of inertia mass vs. weight the relationship between mass and inertia using Newton s 1st Law relationship between force and acceleration problems involving force, mass and acceleration using Newton s 2nd Law interpretation of real-life situations using Newton s 3rd Law nature of force pairs between objects gravity action-reaction pairs electrostatic forces friction forces 4C +analyze and describe accelerated motion in two dimensions using equations, including projectile and circular examples; + calculate the effect of forces on objects, including the law of inertia, the relationship between force and acceleration, and the nature of force pairs between objects;

3 Forces Equilibrium the forces acting on an object on an inclined plane the differences between friction-free and frictioninclusive systems 4E Develop, Interpret FREE-BODY FORCE DIAGRAMS free-body diagrams of force analysis forces acting on an object moving on an inclined plane 4B Describe, Analyze MOTION IN ONE DIMENSION equations distance displacement speed average velocity instantaneous velocity acceleration linear systems vector quantities of displacement and vector sum displacement problems velocity problems vectors vs. scalars vectors vs. speed 4E 4B +develop and interpret free-body force diagrams; and +describe and analyze motion in one dimension using equations with the concepts of distance, displacement, speed, average velocity, instantaneous velocity, and acceleration; Pg Pg Pg 134 Vernier 12 and 16 Kinetic and Static Friction Friction and Forces Problems Friction Problems Sliders Friction Lab Coefficient of Friction Problems Vernier 05 - Picket Fence Free Fall Vernier 13 Air Resistance Force Tables Vernier 11 Newton s Third Law Ranking task exercises 38 and 39

4 displacement vs. distance 4C Analyze, Describe ACCELERATION MOTION IN TWO DIMENSIONS equations projectile examples circular examples acceleration problems involving uniform acceleration and free fall using the kinematic equations Calculate THE EFFECT OF FORCES ON OBJECTS law of inertia mass vs. weight the relationship between mass and inertia using Newton s 1st Law relationship between force and acceleration problems involving force, mass and acceleration using Newton s 2nd Law interpretation of real-life situations using Newton s 3rd Law nature of force pairs between objects gravity action-reaction pairs electrostatic forces friction forces the forces acting on an object on an inclined plane 4C +analyze and describe accelerated motion in two dimensions using equations, including projectile and circular examples; + calculate the effect of forces on objects, including the law of inertia, the relationship between force and acceleration, and the nature of force pairs between objects;

5 Work, Power, & Energy CBA #1 (1 Day) Simple Machines the differences between friction-free and frictioninclusive systems 6A Investigate, Calculate QUANTITIES USING THE WORK- ENERGY THEOREM The sum of a moving object s kinetic and potential energies does not change in a frictionless system, but does change in real-world systems. work in terms of energy transfer using the workenergy theorem W = ΔKE work, power, and efficiency linear systems kinetic energy KE =mv 2 /2 potential energy PE = mgh mechanical energy ME = GPE + KE 2J Organize, Evaluate, Make inferences from DATA tables charts graphs 6A 2J, +investigate and calculate quantities using the work-energy theorem in various situations; +organize and evaluate data and make inferences from data, including the use of tables, charts, and graphs; Pg Pg Pg Energy and Works Problems Work and Power Problems Work, Power, and Energy Problems An Uphill Climb Use smple machines Levers: Use of Formulas Problems Calculate THE EFFECT OF FORCES ON OBJECTS +calculate the effect of forces on objects, including the law of inertia, the relationship between force and acceleration, and the nature of force pairs between objects;

6 law of inertia mass vs. weight the relationship between mass and inertia using Newton s 1st Law relationship between force and acceleration problems involving force, mass and acceleration using Newton s 2nd Law interpretation of real-life situations using Newton s 3rd Law nature of force pairs between objects gravity action-reaction pairs electrostatic forces friction forces the forces acting on an object on an inclined plane the differences between friction-free and friction-inclusive systems Demonstrate, Apply THE LAWS OF CONSERVATION OF MOMENTUM IN ONE DIMENSION impulse and change in elastic and inelastic the importance of impulse and in daily situations protection in car accidents seat belts air bags collapsible + demonstrate and apply the laws of conservation of energy and conservation of in one dimension;

7 barriers sports collision in football in auto racing baseball tennis the law of conservation of Kinetic Energy & Potential Energy 6B Investigate EXAMPLES OF ENERGY AND THEIR TRANSFORMATIONS transfer of energy in different systems falling bodies roller coasters energy forms according to how they are calculated gravitational potential energy kinetic energy thermal energy elastic potential energy-stretch electrical potential (voltage) electrical potential energy-distance PE = qed energy transformation potential to kinetic solar to electrical mechanical to thermal chemical to mechanical properties of simple harmonic motion and oscillation determining the 6B +investigate examples of kinetic and potential energy and their transformations; Pg Kinetic & Potential Energy Problems Kinetic & Potential Energy Lab Mechanical Energy Lab Potential Energy Problems Foil Coaster Lab

8 Conservation of Energy (2 Days) period of a simple pendulum understanding Hooke s law Demonstrate, Apply THE LAWS OF CONSERVATION OF MOMENTUM IN ONE DIMENSION impulse and change in elastic and inelastic the importance of impulse and in daily situations protection in car accidents seat belts air bags collapsible barriers sports collision in football in auto racing baseball tennis the law of conservation of + demonstrate and apply the laws of conservation of energy and conservation of in one dimension; Pg 185 Vernier 19 Conservation of Momentum Vernier 18 Momentum and Collisions CSCOPE: Momentum and Energy Collisions Pulling Friction blocks up an incline Momentum & Collisions (2 Days) 6C Calculate FOR A PHYSICAL SYSTEM mechanical energy power-generated energy impulse energy transfer 6C +calculate the mechanical energy of, power generated within, impulse applied to, and of a physical system; Pg Momentum PPT Energy and Momentum Lab Egg Toss Egg Drop Pasco Carts Putting the Cart Before the Horse

9 Conservation of Momentum (2 Days) Demonstrate, Apply THE LAWS OF CONSERVATION OF MOMENTUM IN ONE DIMENSION impulse and change in elastic and inelastic the importance of impulse and in daily situations protection in car accidents seat belts air bags collapsible barriers sports collision in football in auto racing baseball tennis the law of conservation of + demonstrate and apply the laws of conservation of energy and conservation of in one dimension; Pg