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 Conceptual 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 Science Curriculum Standards 3237 - Conceptual Physics Internet Resources Investigate, measure, and calculate position, displacement, velocity and acceleration. 1.1 Describing Motion with Velocity vs Time Graphs - first of five lessons from The Physics Classroom 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. Analyze vector diagrams. 1.2 An index of animation of vectors and projectiles from the Physics Classroom Component Forces Simulator - choose force vectors, change magnitude, determine resultant 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 Vector Addition - Vector addition with moveable vectors and with spread sheet computations [excel workbook to download] Vector Analysis Worksheets - 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. Explore characteristics of rectilinear motion and create distance-time graphs and velocity-time graphs. 1.3 Describing Motion with Velocity vs Time Graphs - first of five lessons from The Physics Classroom 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. Investigate the characteristics of centripetal motion and centripetal acceleration. 1.4 Motion Characteristics for Circular Motion - a set of five lessons Applications of Circular Motion - a set of three lessons Universal Gravitation - a set of five lessons Planetary and Satellite Motion - a set of five lessons An index of rotational motion animations from the Physics Classroom Amusement Park Physics - students learn the physics then design a roller coaster 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 Model of a Carousel (Centripetal Force) - The simulation assumes a circular motion with constant angular velocity. Circular Motion and Centripetal Force - an interactive java applet Evaluate the dynamics of systems in motion and collisions including friction, gravity, impulse and momentum, change in momentum and conservation of momentum. 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 NetScience: The Sum Of All Sciences - ThinkQuest site regarding projectile motion [This page comes from the Internet Archive known as the Wayback Machine.] 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 Two cannons (at different height) aim at each other. What will happen if both cannons fire at the same time? Projectile motion applet displaying horizontal and vertical vectors Distinguish between mass and weight using SI units. 1.7 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 Measure and calculate mechanical advantage of mechanical devices. 1.8 Definition and Mathematics of Work Calculating the Amount of Work Done by Forces - This tutorial includes a large number of practice questions to check understanding. Power - a tutorial with practice questions An index of Work and Energy animations from the Physics Classroom 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. Inclined Plane - This Java applet demonstrates a motion on an inclined plane with constant velocity and the corresponding forces. Relate time to the independent variable of most experiments. 1.9 � Relate inertia, fore, or action-reaction forces to Newton�s three laws of motion and distinguish among the three laws in various scenarios. 1.10 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 the characteristic properties of scalar and vector quantities. 1.11 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. 1.12 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, and conservation of energy including friction, and gravitational potential energy. 1.13 Internal vs. External Forces - quite a few practice questions are included Analysis of Situations Involving External Forces - diagrams, practice questions and animations are included Analysis of Situations in Which Mechanical Energy is Conserved - three good animations are included in this tutorial Applications and Practice Questions - fifteen questions designed to check for understanding Bar Chart Illustrations - A work-energy bar chart represents the amount of energy possessed by an object by means of a vertical bar. Investigate the buoyant force exerted on floating and submerged objects. 1.14 � Investigate the apparent weight of an object submerged in a fluid. 1.15 � Explain why objects float or sink in terms of force or density. 1.16 � Examine the motion of fluids. 1.17 � Recognize the effects of Bernoulli�s principle on fluid motion (e.g., lift, ball trajectories, and wind around/over object). 1.18 � Internet4classrooms is a collaborative effort by Susan Brooks and Bill Byles. 