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 Physics: Standard 1 - Mechanics Checks for Understanding 1.1 | 1.2 | 1.3 | 1.4 | 1.5 | 1.6 | 1.7 | 1.8 | 1.9 | 1.10 | 1.11 | 1.12 | 1.13 | 1.14 | 1.15 | 1.16 | 1.17 | 1.18 | 1.19 | 1.20 | 1.21 | 1.22 | 1.23 | 1.24 | 1.25 | 1.26 | 1.27 Science Curriculum Standards 3231 - Physics Internet Resources Explore displacement, velocity, and acceleration [Average Velocity: vav = (df-di)/ (tf-ti); Final Velocity: vf = vi+a?t; Final Velocity of Falling: vf = vi+g?t; Average Acceleration: aav = (vf-vi)/(tf -ti); Displacement: d = vi ?t+(1/2) a?t2; Displacement of Falling: ?d = vi ?t +(1/2)g ?t2]. 1.1 � Analyze vector diagrams and solve composition and resolution problems for force and momentum. 1.2 An index of animation of vectors and projectiles from the Physics ClassroomVectors: Motion and Forces in Two Dimensions - an index of lessons on vectors, projectile motion, and forces in two dimensions Resultant Vector - explore the effects of combining different vector quantities Resultant of Forces - This applet deals with forces exerted on a body.You can vary the number of single forces by using the choice box at the right side. It is possible to change the sizes and directions of these forces by dragging the arrowheads to the intended positions with pressed mouse button. Resolution of a Force into Components - java applet Vector Direction - practice with the use of scaled vector diagrams for the representation of the magnitude and direction of a vector. Explore characteristics of rectilinear motion and create distance-time graphs (velocity), velocity-time graphs (acceleration and distance). 1.3 Describing Motion with Velocity vs Time Graphs - first of five lessons from The Physics Classroom Java applet which students would use to collect data to sketch velocity as a function of time. Java applet displaying three position vs time graphs and three velocity vs time graphs. Your students must determine which of the graphs Kinematics Equations and Graphs (use of velocity-time graphs to describe the motion of objects) Six practice problems are provided, each requires the student to construct a velocity-time graph. Answers, including graphs, are provided. Moving Man Simulation- Learn about position, velocity, and acceleration graphs. Move the little man back and forth with the mouse and plot his motion. Set the position, velocity, or acceleration and let the simulation move the man for you. Passing Lane - describing motion with diagrams Use this reaction time applet to gather data for graphing Ticker Tape Diagrams - A common way of analyzing the motion of objects in physics labs is to perform a ticker tape analysis. The practice problems included will help your students evaluate the time variable.are correct. Investigate the characteristics of centripetal motion and centripetal acceleration [Centripetal Force: Fc = (mv2)/r; Angular Velocity: ?=? ?/ ?t; Angular Acceleration: a = ??/?t]. 1.4 Amusement Park Physics - students learn the physics then design a roller coaster Applications of Circular Motion - a set of three lessons Circular Motion and Centripetal Force - an interactive java applet Funderstanding Roller Coaster! - Your mission is to design a coaster so that you can achieve maximum thrills and chills without crashing or flying off the track. You must decide on a number of factors; the height of hill #1, hill #2, the size of the loop, the initial speed of the coaster, its mass, the gravity at work and the amount of friction on the track An index of rotational motion animations from the Physics Classroom Model of a Carousel (Centripetal Force) - The simulation assumes a circular motion with constant angular velocity. Motion Characteristics for Circular Motion - a set of five lessons Planetary and Satellite Motion - a set of five lessons Universal Gravitation - a set of five lessons Evaluate the dynamics of systems in motion including friction, gravity, impulse and momentum, change in momentum, and conservation of momentum. [Coefficient of Friction: � = Ff/FN; Law of Universal Gravitation: FG = (G m1m2)/d2; Impulse and Change of Momentum: F ?t = m?t]. 1.5 Momentum - "mass in motion" Momentum and Impulse Connection - this tutorial includes a large number of practice questions to check understanding The Impulse-Momentum Change Theorem - Real-World Applications The Law of Action-Reaction (Revisited) Momentum Conservation Principle Isolated Systems Using Equations as a "Recipe" for Algebraic Problem-Solving Using Equations as a Guide to Thinking Conservation of Momentum in Different Inertial Frames - One dimensional Conservation of Momentum in Different Inertial Frames - Two dimensional Investigate projectile motion. 1.6 An index of animation of vectors and projectiles from the Physics Classroom Ballistic Simulator - Each new shot has a trajectory which is color coded. You get a maximum of 4 shots to hit the target with a cannon ball Design and Test - This project simulates the Design and Test process through the development of a virtual paintball catapult. The student must build catapults capable of performing a variety of tasks, stay within the allotted budget, and interpret test results to fine tune their design. QuickTime movie of a Horizontally Launched Projectile QuickTime movie of a Non-Horizontally Launched Projectile Projectile Orbits and Satellite orbits - an interactive java applet Projectile Tutorial - You can do experimentation to discover concepts or you can check your problem-solving progress. Follow the directions below the picture depending on which one you want to do. NetScience: The Sum Of All Sciences - ThinkQuest site regarding projectile motion Projectile Motion applet - see the result of changing the variables Projectile Motion Simulator - change a number of variables, projectiles include piano, pumpkin, Buick and others Projectile motion applet displaying horizontal and vertical vectors Two cannons (at different height) aim at each other. What will happen if both cannons fire at the same time? Apply mathematics to solve motion problems. 1.7 � Experiment with elastic and inelastic collisions. 1.8 Amusement Park Physics - How do physics laws affect amusement park ride design? In this exhibit, you'll have a chance to find out by designing your own roller coaster. Plan it carefully--it has to pass a safety inspection. You can also experiment with bumper car collisions. An index of momentum and collision animations from the Physics Classroom (includes elastic and inelastic collisions) QuickTime movies of inelastic collisions QuickTime movies of elastic collisions Experiment with pendulums 1.9 About Foucault Pendulums: and how they prove that the earth rotates Experiment: The Pendulum - lab activity to print Foucault Pendulum - from Wikipedia Foucault's Pendulum - lesson plan from Science NetLinks Galileo's Pendulum Experiments - some of the major points he discovered about pendulums Horizontally Driven Pendulum - interactive applet How a Pendulum Clock Works - lab experiment from How Stuff Works Interactive Pendulum - a java applet which allows your students to change variables Pendulum Driven by a Periodic Force - interactive applet Pendulum: Make it Swing - interactive pendulum from PBS Kids The Pendulum Equation - more equations related to pendulums Pendulum Experiments Undamped and Undriven Pendulum - interactive applet What variables effect the period of a pendulum? - experiment plan from Internet Science Institute Utilize trigonometry and vector analysis to solve force and momentum problems [Sine, Cosine, Tangent Functions, Law of Sine, and Law of Cosine]. 1.10 Component Forces Simulator - choose force vectors, change magnitude, determine resultant Resultant Vector - explore the effects of combining different vector quantities Vector Analysis Worksheets - Apply elementary calculus to solve motion problems [Velocity = derivative of and acceleration = derivative of velocity]. 1.11 � Experiment with elastic and inelastic collisions [Elastic Collisions in One Dimension: m1v1 + m2v2 = m1v3+m2v4; Inelastic Collision in One Dimension: m1v1+m2v2 = (m1+m2)v3]. 1.12 An index of momentum and collision animations from the Physics Classroom (includes elastic and inelastic collisions) QuickTime movies of inelastic collisions QuickTime movies of elastic collisions Distinguish between mass and weight using base units in the SI system. 1.13 Your Weight on Other Worlds - This Exploratorium site gets your students' attention by showing that their weight will vary with different gravitational attraction (you will not believe what you would weigh on a Neutron star!). Then, a very good presentation of the difference between weight and mass is given. A weight and mass converter is provided by ConvertMe.com. After your students use this converter, perhaps you could discuss if it is appropriate to perform this type of conversion. Science Terms: Distinctions, Restrictions, and Confusions - Bartelby.com points out that an absolute conversion factor between these two units is not technically sound Mass vs Weight - discussion of the difference and interactive questions to check for understanding Associate time with the independent variable in most experiments. 1.14 � Relate inertia, force or action-reaction forces to Newton�s three laws of motion. 1.15 An index of Newton's laws tutorials from the Physics Classroom (a total of 15 separate lessons) Design and Test - This project simulates the Design and Test process through the development of a virtual paintball catapult. The student must build catapults capable of performing a variety of tasks, stay within the allotted budget, and interpret test results to fine tune their design. Newton's Second Law Experiment - This Java applet simulates an air track glider setup, as it is used for experiments on constant acceleration motion. Motion with Constant Acceleration - This Java applet shows a car moving with constant acceleration Mass, Force and Acceleration - Watch as you fill out the chart to see how mass, force, and acceleration are related. When you are done, see if you can write a rule. Lunar Lander Simulator - experiment with changing force direction or magnitude Compare, contrast, and apply characteristic properties of scalar and vector quantities. 1.16 Vector Addition - Vector addition with moveable vectors and with spread sheet computations [excel workbook to download] Vectors: Motion and Forces in Two Dimensions - an index of lessons on vectors, projectile motion, and forces in two dimensions Vector Direction - practice with the use of scaled vector diagrams for the representation of the magnitude and direction of a vector. Resultant Vector - explore the effects of combining different vector quantities Resultant of Forces - This applet deals with forces exerted on a body.You can vary the number of single forces by using the choice box at the ride side. It is possible to change the sizes and directions of these forces by dragging the arrowheads to the intended positions with pressed mouse button. Resolution of a Force into Components - java applet Investigate the definitions of force, work, power, kinetic energy, and potential energy. [Force: F = ma; Work: W = Fd; Power: P = (F?d)/ ?t; Kinetic Energy: EK = 0.5mv2; Potential Energy: EP = mg?h]. 1.17 An index of work, power, and energy tutorials Definition and Mathematics of Work Design a Roller Coaster - Try your hand at designing your own roller coaster. You will be building a conceptual coaster using the physics concepts that are used to design real coasters. You won't need to compute any formulas. Calculating the Amount of Work Done by Forces - quite a few practice scenarios are included Potential Energy - excellent diagrams and practice questions Kinetic Energy - more good diagrams and practice problems Mechanical Energy - no practice problems, but excellent illustrations Power - six practice problems accompany this tutorial Analyze the characteristics of energy, conservation of energy including friction, and gravitational potential energy [Gravitational Potential Energy: Ep=mg?h]. 1.18 Funderstanding Roller Coaster! - Your mission is to design a coaster so that you can achieve maximum thrills and chills without crashing or flying off the track. You must decide on a number of factors; the height of hill #1, hill #2, the size of the loop, the initial speed of the coaster, its mass, the gravity at work and the amount of friction on the track Inclined Plane and Friction - interactive applet that could be used to collect force information or Relate work and power to various simple machines, mechanical advantage of different machines, and recognize simple machines that are combined to form compound machines [Work: W= F? d; Power: p = (F? d)/?t; Efficiency, Efficiency = (WOUT/WIN )x100%]. 1.19 Compound Machine - answer a series of questions which require the selection of the most appropriate simple machine  Design and Test - This project simulates the Design and Test process through the development of a virtual paint ball catapult. The student must build catapults capable of performing a variety of tasks, stay within the allotted budget, and interpret test results to fine tune their design. Inclined Plane - This Java applet demonstrates a motion on an inclined plane with constant velocity and the corresponding forces. Inclined Plane and Friction - interactive applet that could be used to collect force information or Lever - attach a new mass piece or put it to another place with pressed mouse button Levers: 1st, 2nd, and 3rd class levers - transparency master Eureka: The Lever - a YouTube video Machines Make Life Easier - a set of activities about simple machines Move Our Principal - learn about the six simple machines then use their knowledge to assist their principal. Pulley - Investigate mechanical advantage of a pulley with this interactive java applet Pulley System - (raise or lower the load with the mouse) If you click on the mouse button, a spring balance will appear showing the tension in the string. Pulley Systems - high quality transparency master  Rube Goldberg Machines - a simple machines PowerPoint show by Matt Aufman and Steve Case, University of Mississippi [23 slides] Simple Machines game from Harcourt School Simple Machines - An excellent overview from the Franklin Institute On-Line Simple Machines Activities: Learn about simple and compound machines while you explore the House and Tool Shed at E-Heads!  Simple Machines Made Simple - an introduction to the six simple machines  Simple Machines Make Things Go - this 57 page booklet includes lesson plans and worksheets - Caution: UK spelling is used  Simple Machines - a 21 slide show posted by Mike McKee of UCF The Six Simple Machines - a 26 slide show with good examples and illustrations [Caution: the movie file is not included thus slide 26 does not work] Sunken Millions - a Simple Machines review game Work and Simple Machines - a 47 slide show with practice questions Describe rotational equilibrium and relate this factor to torque [Rotational Inertia: T = Ia; Torque: T = Fr]. 1.20 An index of rotational motion animations from the Physics Classroom Determine the magnitude of the buoyant force exerted on floating and submerged objects (FB = mfg = ?fVfg). 1.21 � Investigate the apparent weight of an object submerged in a fluid (Fnet = FB � Fg). 1.22 � Explain why objects float or sink in terms of force and density. 1.23 � Calculate the pressure exerted by a fluid according to Pascal�s Principle (Pinc = F1/A1 = F2/A2). 1.24 � Calculate how pressure varies with depth (P = P0 + ?gh). 1.25 � Examine the motion of a fluid using the continuity equation (A1v1 = A2v2). 1.26 � Recognize the effects of Bernoulli�s principle on fluid motion (e.g., lift, ball trajectories, and wind around/over object). 1.27 � Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 