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Brick Activity

Objectives. Students willUse problem solving strategies to design a scale model of a wall without fault linesDiscuss the importance of structural integrity in regions prone to earthquakesGain an understanding of the importance of engineering a structure that can withstand natural disasters.

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Brick Activity

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    1. Brick Activity Mrs. Weidman Algebra I

    2. Objectives Students will� Use problem solving strategies to design a scale model of a wall without fault lines Discuss the importance of structural integrity in regions prone to earthquakes Gain an understanding of the importance of engineering a structure that can withstand natural disasters

    3. Standards 4.2 GEOMETRY AND MEASUREMENT Geometric Properties (A #3,4,5) 4.5 Mathematical Processes Problem Solving (A #1,2,3,4,5) Communication (B #1,2,3,4) Reasoning (C #3,4,5,6) Representations (E #1,2,3)

    4. Materials 1 set of Dominoes per pair/group � or � inch graph paper Pencils and erasers

    5. Procedures Prior Knowledge/Probing Has anyone ever been in the middle of a natural weather disaster? What type of natural disaster are people most concerned with in places like California? How can earthquakes affect buildings and other infrastructures when they occur? How can we prevent structures from crumbling and being destroyed? Discuss fault lines (San Andreas Fault)

    6. Procedures Cont�d. Present the Problem You are a brick wall builder in Southern California. You have discovered how to build the strongest wall possible using 2-by-1 bricks. You have come to the conclusion that a wall made of these bricks has the most strength if there are no fault lines. Here is an example of a brick wall with a fault line. You can see that there are lines that go through the wall uninterrupted. You must find a masonry pattern without any fault lines. This means that every grid line (that is, the lines, both horizontal and vertical, spaced at the width of one domino and extending perpendicularly between parallel edges) of the rectangle intersects at least one domino.

    7. Procedures Cont�d. Have Students Consider the Following In case 1) the fault line is vertical. In all three cases the fault lines are vertical. In case 2) the fault line is horizontal. Group Work Use the dominoes to help find a fault-free pattern, then draw it. Describe how you found your pattern. Are there other fault-free patterns using this number of bricks or is the one you found unique?

    8. Assessment Teacher observation Collaboration and cooperation with group members Final structure created without fault lines Individual summary including� Group methods to construct brick wall The importance of engineering a structure that can withstand natural disasters Awards First group to construct brick wall with no fault lines Unique designs

    9. Connections Analyze and ponder the construction of real buildings, bridges, etc. Get students to think about construction on the micro and nano-scale Mechanical/Civil Engineering Presentation from Drexel Field trip to Drexel University

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