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PASCO ME-9825 Instruction Manual

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Instruction Manual
Manual No. 012-07823-A
Matter Model
Model No. ME-9825

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Summary of Contents for PASCO ME-9825

  • Page 1 Instruction Manual Manual No. 012-07823-A Matter Model Model No. ME-9825...

  • Page 2: Table Of Contents

    Model No. ME-9825 Table of Contents Equipment List............3 Introduction ............. 5 Equipment Setup ............5 Assembling Atom Halves ......................5 Building a Cubic Atom Model.......................5 Increasing the Mass of the Atom ....................6 Assembling a Longitudunal Wave Model ..................6 Assembling a Transverse Wave Model ..................7 Activities ..............

  • Page 3: Equipment List

    Matter Model Model No. ME-9825 Matter Model Model No. ME-9825 Equipment List Included Equipment Quantity Replacement Model Number* 1. Atom Half 648-07820 2. Hex nut, 3/8 - 16 614-080 3. Heavy Spring ME-9829 4. Light Spring ME-9830 5. Tube 648-07821 *Use Replacement Model Numbers to expedite replacement orders.
  • Page 4 Model No. ME-9825 Matter Model ®...

  • Page 5: Introduction

    Matter Model Model No. ME-9825 Introduction The PASCO ME-9825 is comprised of many components which, when assembled and reassembled in a variety of configurations, can be used to model many demonstrations. Some suggested uses can be found in the Activities section of this manual.

  • Page 6: Increasing The Mass Of The Atom

    Model No. ME-9825 Matter Model Increasing the Mass of the Atom 1. Position one hex nut between two atom halves and snap together. See Figure 3. Figure 3: Snap together atom halves with nut Assembling A Longitudinal Wave Model 1. Seat the single closed winding at either end of a spring inside a cleat feature of an assembled atom model (with nuts).

  • Page 7: Assembling A Transverse Wave Model

    Matter Model Model No. ME-9825 Assembling A Transverse Wave Model 1. Seat the single closed winding of a heavy spring inside a cleat feature of an assembled atom model. Be certain to attach springs along the seam of the atom to prevent splitting (fission) from occuring.

  • Page 8: Activities

    Model No. ME-9825 Matter Model Activities Mechanisms of Normal Forces Figure 6: Demonstration of Normal Forces Students often have difficulty believing that solid objects, such as a table, can exert forces. Instead, they believe that the table simply "gets in the way" of the object. By using the matter model with a heavy book, students can see the atoms compress when the book is placed on it.

  • Page 9: Torque And Shear Forces

    Matter Model Model No. ME-9825 Torque and Shear Forces Figure 7: Demonstration of Torque Forces The effects of torque and shearing forces can be demonstrated when the matter model is constructed in a 5 x 3 x 2 configuration. In addition, when supported only on one side a cantilever can be modeled effectively.

  • Page 10: Wave Speed And Density

    Model No. ME-9825 Matter Model Wave Speed and Density Each of the atoms is designed to allow an included nut to be inserted. In this way, students can change the density of the wave medium and observe the relationship between wave speed and density. This effect can be investigated for both transverse and longitudinal waves.

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