West Delaware Physics: Net Forces with Barbie

Friday, March 30, 2012

Net Forces with Barbie

This unit focuses on the idea of Barbie as she travels through her daily life, experiencing net forces. Our goal is to keep her as safe as possible.

http://www.physicsclassroom.com/Class/newtlaws/u2l3b.cfm

Friday and Monday!

Task 1: Designing a bumper for Barbie (this will be tested on Tuesday, 4/3)
Task 2: The physics of seatbelts (you must design a seat and a harness with 3, 4, or 5 points of security for Wednesday)
Task 3: Determining mu and mu reflection
Task 3: Barbie's parachute
Task 4: Bungie jumping!

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Curriculum

Course: Physics I

Course Purpose: Using inquiry, students will study reaction and particle physics, kinematics, vectors, forces, momentum, projectiles, and rotary motion.

Benchmark Sci.Phys1.1: Using inquiry, students will model the concepts of nuclear radiation and and the four fundamental forces.

Components

Sci.Phys1.1.1 Use modeling and half-life curves to identify the probability structure behind radioactive decay.

Sci.Phys1.1.2 Students will compare and contrast the energy level and frequency of alpha, beta, and gamma decay.

Sci.Phys1.1.3 Students will contrast forces inside and outside of the atoms.

Sci.Phys1.1.4 Students will discuss the historical development of technology for use in applications of radioactivity.

Sci.Phys1.1.5 Students will identify the four fundamental forces in the standard model, and explore the relationships among the components.

BM: Students will defend their own position on the irradiation of food and/or the medical use of a petscan.

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Benchmark Sci.Phys1.1.2: Students will analyze kinematic motion using graphing and formulas

Components

Sci.Phys1.1.2 Compare and contrast distance and displacement, explaining the need for a frame of reference in such situations.

Sci.Phys1.1.2 Compare and contrast speed and velocity, both instantaneously and over an average.

Sci.Phys1.1.2 Construct graphical representations using d-t, v-t, and a-t graphs as a result of experiments.

Sci.Phys1.1.2 Apply and use mathematical formulas used during motion to real-life situations.

BM: Analyze cartoons for physics realism

Benchmark Phys1.3: Using open-ended investigations, students will determine vector components.

Components

Phys1.3.1 Compare and contrast a vector and scalar quantity.

Phys1.3.2 Compute displacements, velocities, and accelerations, and using vector addition through scaled drawings and/or trigonometric methods.

Phys1.3.3 Compute perpendicular components of vectors using scale drawings.

BM: Google Earth Trip

Benchmark Phys1.4: Students will use the laws associated with forces to predict motion in the world around them.

Components

Phys1.4.1 Distinguish between mass and weight.

Phys1.4.2 Describe, demonstrate, and test Newton's Laws of Motion and predict future real-life events

Phys1.4.3 Net forces are the sum of all the forces acting on an object.

Phys1.4.4 Utilize free-body diagrams in the analysis of force-related problems, identifying net, tension, friction, weight, and applied forces.

Phys1.4.5 Distinguish between kinetic and static friction. Describe the effect friction has on objects using mu.

BM: Bungie Barbie

Benchmark Phys1.5: Utilizing inquiry, students will examine, evaluate, and apply the laws of momentum and impulse.

Components

Phys1.5.2 Test, demonstrate, and explain how the impulse-momentum theorem applies to real-life situations

Phys1.5.3 Define the law of conservation of momentum and how this applies to real-life situations.

Phys1.5.4 Test and predict the velocities and masses of colliding objects in elastic and inelastic conditions using the law of conservation of momentum.

BM: Is online pool gaming a good model for momentum?

Benchmark Phys1.6: Students will identify, anlayze and predict motion in two dimensions using the formulaic and experiemental values.

Components

Phys1.6.2 Diagram objects in projectile motion and differentiate between the horizontal and vertical velocity components.

Phys1.6.3 Predict displacements, velocities, and times of projectiles through experimentation with real-life situations and application of the vector addition method.

Phys1.6.4 Students will be able explain conversions of potential and kinetic energy.

Phys1.6.5 Students will use applications of work to determine energy using the work-energy theorem.

BM: Build a catapult and shoot with accuracy.

West Delaware Physics

Friday, March 30, 2012

Net Forces with Barbie

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