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Transcript
PHYSICAL SCIENCE (SECONDARY) ESSENTIAL UNIT 6 (E06) (Motion and Force) (June 2011) Unit Statement: The detection and measurement of motion is presented and the concepts of acceleration and force including Newton’s three laws are developed using friction and gravity as specific examples. Essential Outcomes: (Must be Assessed) 1. The Student Will identify frames of reference and describe how they are used to measure motion. (p. 328 – 329) 2. TSW compare and contrast average speed and instantaneous speed and calculate the speed of an object using slopes. (p. 332 – 335) 3. TSW contrast speed and velocity and describe how velocities combine. (p. 336 – 337) 4. TSW identify changes in motion that produce acceleration, calculate the acceleration of an object and classify the acceleration as positive or negative. (p. 342 – 348) 5. TSW describe examples of force and explain how the motion of an object is affected when balanced and unbalanced forces act on it. (p. 356 – 358) 6. TSW compare and contrast the four kinds of friction and describe how Earth’s gravity and air resistance affect falling objects. (p. 359 - 361) 7. TSW summarize Newton’s first law of motion and its relation to inertia. (p. 364 – 365) 8. TSW describe Newton’s second law of motion and use it to calculate acceleration, force, and mass values and to relate the mass of an object to its weight. (p. 365 – 369) 9. TSW explain how action and reaction forces are related according to Newton’s third law of motion and calculate the momentum of an object using the law of conservation of momentum. (p. 372 – 377) 10. TSW design or choose from a selection of investigations provided by the instructor and implement it with a focus on the majority of the areas of the scientific process. (Appendix in Curriculum Guide) QSI PHYSICAL SCIENCE (SEC) E06 Copyright 1988-2011 20 Introduced and Practiced Outcomes: 1. The Student Will identify appropriate SI units for measuring distances, speed, and force, and interpret speed-time and distance time graphs. (p.329 – 330, 334, 346 – 348, 357,) 2. TSW describe the path of a projectile and identify the forces that produce projectile motion. (p. 362) 3. TSW distinguish between distance and displacement and calculate displacement using vector addition. (p. 330 – 331) 4. TSW identify the forms of electromagnetic force that can both attract and repel and describe the universal forces action within the nucleus. (p. 378 – 380) 5. TSW define Newton’s law of universal gravitation and centripetal force. (p. 380 - 382) SUGGESTED RESOURCES & RUBRIC FOUND ON FOLLOWING PAGES……………. QSI PHYSICAL SCIENCE (SEC) E06 Copyright 1988-2011 21 Suggested Materials: PSCA Chapters 11 and 12, PSLM #11(A, B) and #12(A, B). Suggested Assessment Tools and Strategies: Physical Science: Concepts in Action – Chapter Tests may be used as is for the chapters cited in the unit or serve as a basis for creating tests. Physical Science: Concepts in Action - Performance Assessment may be used as is, including rubrics, for the chapters cited in the unit. Chapter Resources: Previous scheme worksheets and activities may be used to augment the book, if available. Suggested Technology Resources: phet.colorado.edu www.phschool.com Destiny Webpath Express – see library coordinator for details Student Express CD-ROM activities Suggested Activities, Labs, or Projects: Suggested Lab focus: Hypothesis, Data Recording or Data Analysis Inquiry Activity, PSCA p. 327 Comparing Distance and Displacement, PSCA p. 330 Investigating the Velocity of a Sinking Marble, PSCA p. 349, PSLM p. 309 – 310 Measuring Distance and Displacement, PSLM p. 111 – 116 Investigating Free Fall, PSLM p. 117 – 121 Inquiry Activity, PSCA p. 355 Observing the Effects of Friction, PSCA p. 360 Investigating Inertia, PSCA p. 365 Data Analysis, PSCA p. 377 Investigating a Balloon Jet, PSCA p. 383, PSLM p. 311 – 312 Using a Pendulum to Measure the Acceleration Due to the Force of Gravity, PSLM p. 123 – 128 Testing Galileo’s Hypothesis, PSLM p. 129 – 132 RUBRIC FOUND ON FOLLOWNG PAGE…………………………… QSI PHYSICAL SCIENCE (SEC) E06 Copyright 1988-2011 22 PHYSICAL SCIENCE (SECONDARY) ESSENTIAL UNIT 6 (E06) SUGGESTED RUBRIC TSW 1 2 ‘A’ Level Mastery ‘B’ Level Mastery NA Student consistently identifies frames of reference and describes how they are used to measure motion Student designs a test to show the relationship between slope and speed of an object Student clearly compares and contrasts average speed and instantaneous speed and correctly calculates the speed of an object using slopes 3 NA Student contrasts speed and velocity and clearly describes how velocities combine 4 NA Student clearly identifies changes in motion that produce acceleration, correctly calculates the acceleration of an object and classifies it as positive or negative 5 Student relates changes in motion to unbalanced forces in unfamiliar or new situations Student clearly describes examples of force and explains how the motion of an object is affected when balanced and unbalanced forces act on it 6 Student designs a test to show the relationship between gravity and air resistance in falling objects Student clearly compares and contrasts the four kinds of friction and describes how Earth’s gravity and air resistance affect falling objects 7 NA Student clearly describes Newton’s first law of motion and its relation to inertia 8 Student designs their own problems that relate Newton’s second law and its calculation 9 Student diagrams or demonstrates or designs a test to show the relations ship described by Newton’s third law of motion 10 See Laboratory Report Rubric in Curriculum Guide Appendix • • Student clearly describes Newton’s second law of motion and uses it to calculate acceleration, force, and mass values and to relate the mass of an object to its weight Student clearly and completely explains how action and reaction forces are related according to Newton’s third law of motion and calculatez the momentum of an object using the law of conservation of momentum See Laboratory Report Rubric in Curriculum Guide Appendix To receive an ‘A’, the student must show ‘A’ level mastery in at least 4 of the 6 available TSW’s and ‘B’ level mastery on all of the remaining TSW’s. One of the 3 TSW’s to receive an A must be TSW 10. To receive a ‘B’, the student must show ‘B’ level mastery on all ten TSW’s. QSI PHYSICAL SCIENCE (SEC) E06 Copyright 1988-2011 23