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STEM DAY, JANUARY 8, 2015 BUILD IT: INVENT NEW STRUCTURES AND CONTRAPTIONS BY TAMMY ENZ • TURN ON THE TV AT 8:00 AND LISTEN TO MR. PINNOCK READ THE BOOK. OPEN YOUR STEMFOLIO TO PAGE 29 AND SPEND 10 MINUTES RESPONDING TO THE LITERATURE. CHALLENGE: SHAPES OF STRENGTH TODAY YOU ALL ARE GOING TO BE ENGINEERS WITH A SPECIFIC PROBLEM: YOU MUST BUILD A STRUCTURE TO HOLD UP AS MANY BOOKS AS POSSIBLE USING ONLY THE MATERIALS PROVIDED. TO SOLVE THIS PROBLEM, THINK LIKE AN ENGINEER. AS YOU WORK WITH YOUR TEAM, FOLLOW THE ENGINEERING DESIGN PROCESS—BE CREATIVE AND THINK "OUTSIDE OF THE BOX." REMEMBER TO KEEP IN MIND OTHER THINGS THAT MAKE BUILDINGS STRONG, BESIDES THE MATERIALS. AND, DO NOT BE DECEIVED BY USING PAPER AND STRAWS TO BUILD A STRUCTURE; PAPER IS VERY STRONG WHEN USED TO ITS BEST ADVANTAGE! ENGINEERS ARE CONSTANTLY BEING CHALLENGED TO SOLVE THE WORLD'S NEW AND COMPLICATED PROBLEMS. MANY OF THESE PROBLEMS INITIALLY SEEM IMPOSSIBLE TO SOLVE, BUT ENGINEERS FIND A WAY TO MAKE THINGS HAPPEN! IN THE 20TH CENTURY, ENGINEERS DEVELOPED PREVIOUSLY UNIMAGINABLE THINGS SUCH AS ELECTRICITY, MASS TRANSPORTATION, THOUSANDS OF DIFFERENT AUTOMOBILES, AND EVEN SPACE TRAVEL. ENGINEERS OFTEN LOOK BACK IN HISTORY TO LEARN FROM PAST ENGINEERING SUCCESSES AND FAILURES AS THEY DESIGN AND BUILD AMAZING NEW THINGS. EVERY DAY, ENGINEERS ARE THINKING OF WAYS TO IMPROVE ON WHAT ALREADY EXISTS AS WELL AS DEVELOPING BRAND NEW IDEAS THAT HAVE NEVER BEEN CREATED BEFORE. IN 2003, THE TALLEST BUILDING IN THE WORLD, THE TAIPEI 101, WAS COMPLETED . LOCATED IN TAIWAN, THE TAIPEI 101—NAMED FOR ITS 101 FLOORS—STANDS AT 1,671 FEET, MORE THAN A QUARTER MILE TALL! FOR ENGINEERS TO COME UP WITH A PLAN FOR THIS BUILDING (AND OTHER SIMILARLY CHALLENGING STRUCTURES), THEY MUST BE CREATIVE AND THINK "OUTSIDE THE BOX." LET'S TALK ABOUT BUILDINGS. WHAT MAKES A BUILDING STRONG? WHAT ELSE, BESIDES THE MATERIALS USED, MAKES THE BUILDING STRONG? LET'S BRAINSTORM SOME IDEAS. CONSIDER THE PYRAMIDS IN EGYPT. THOSE BUILDINGS ARE VERY STRONG AND HAVE LASTED HUNDREDS OF YEARS. THEY HAVE A VERY DISTINCTIVE SHAPE THAT AIDS IN THEIR STRENGTH. STRUCTURES MUST BE ABLE TO REMAIN STANDING DESPITE LARGE AMOUNTS OF FORCE PUT ON THEM BY WEIGHT AND OTHER FACTORS SUCH AS EARTHQUAKES OR WIND. USING DIFFERENT GEOMETRIC SHAPES, STRUCTURES ARE SUPPORTED IN DIFFERENT WAYS. AN EXAMPLE OF A BUILDING USING TWO DIFFERENT SHAPES, TRIANGLES AND COLUMNS, IS THE PARTHENON, A VERY SUCCESSFUL ENGINEERING FEAT. THE PARTHENON BEGAN CONSTRUCTION OVER TWO THOUSAND YEARS AGO IN 447 BC—AT THE HEIGHT OF THE ATHENIAN EMPIRE—AND IS STILL STANDING TODAY. THE PARTHENON WAS A TEMPLE BUILT TO REPRESENT THE POWER AND STRENGTH OF THE RESIDENTS OF ATHENS, GREECE. THIS IS AN EXCELLENT EXAMPLE OF A WELL-BUILT STRUCTURE THAT ENGINEERS CAN STUDY, ENABLING THEM TO LEARN BETTER DESIGNS FROM THE PAST FOR THE FUTURE. • AS A SMALL GROUP, COMPLETE THE “ASK” QUESTIONS ON PAGE 32. HAVE YOUR GROUP COMPLETE THE IMAGINE SECTION. BRAINSTORM: HOW YOU WILL USE YOUR MATERIALS? WHAT WILL BE THE BEST SHAPE TO SUPPORT TEXTBOOKS? • RESEARCH YOUR POSSIBLE SOLUTIONS FROM “IMAGINE” TO FIND OUT MORE. BRAINSTORM WITH YOUR TEAM HOW YOU WILL SOLVE THE PROBLEM AND RECORD YOUR SOLUTION. DRAW A DIAGRAM OF YOUR SOLUTION. OF THE AVAILABLE MATERIALS, LIST THE ONES YOU WILL NEED. DECIDE ON JOBS: CHALLENGE CAPTAIN ____________________ MATERIALS MASTER ____________________ CHALLENGE RECORDER ____________________ TESTING COORDINATOR ____________________ CHIEF ARCHITECT ____________________ RAPID REPORTER ____________________ PLAN THE STEPS YOU WILL TAKE. FOLLOW YOUR PLAN AND CREATE IT. COLLABORATE WITH YOUR TEAM. WORK STEADILY AND MANAGE YOUR TIME. TEST YOUR DESIGN! DID IT WORK? IMPROVE WHAT WORKS? WHAT DOESN'T WORK? WHAT WOULD YOU DO DIFFERENTLY? MODIFY YOUR DESIGN TO MAKE IT BETTER. TEST IT OUT! AT 9:45, HAVE A CLASS COMPETITION TO SEE WHICH DESIGN HOLDS THE GREATEST WEIGHT. AT 9:55, THE WINNER WILL COMPETE AGAINST THE WINNERS OF THE OTHER 5TH GRADE CLASSES!