Middle School Event Descriptions

Transcription

1 Middle School Event Descriptions

2 ROCKET BOTTLE STYLE Middle School Level TEAM: 2 Eye Protection: Yes Impound: Yes Time: 10 Minutes 1. DESCRIPTION: Prior to the tournament, teams construct two rockets designed to stay aloft for the greatest amount of time. a. a. Teams must design, build, and bring up to two rockets to the tournament (only 1 launch per rocket). b. b. Teams must wear proper eye protection. c. c. Event supervisors will provide the launcher and water. 3. CONSTRUCTION PARAMETERS: a. a. Rocket pressure vessels must be made of a single 1 liter or less plastic carbonated beverage bottle b. Neck/nozzle opening should have a diameter of approximately 2.2 cm i. 1/2 inch Schedule 40 PVC pipe should fit inside the opening ii. Remove labels c. Only tape may be used to attach fins and other components to the pressure vessel. i. No glue d. The rocket nose must be rounded or blunt at the tip Teams must not use a nose that is sharp, pointed, or rigid. e. Explosives, gases other than air, chemical reactions, pyrotechnics, electric or electronic devices, elastic powered flight assists, throwing devices, remote controls, and tethers are prohibited at any time. f. All energy imparted to the rocket at launch must originate from the water/air pressure combination. g. All rockets must be launched using the launcher provided by the supervisor. h. Fins and other parts added to the bottle must be 5 cm or higher above the level of the bottle s opening. i. Rockets must not change shape or deploy any type of recovery system. 4. COMPETITION DETAILS: a. Teams must arrive at the competition site ready to launch. Following the safety inspection of the rockets, teams may add any amount of water to the inspected rocket(s). When called to launch, the teams have a total of 10 minutes to launch the rockets (only 1 launch per rocket). Any rocket launched before the time expires must be scored. b. Rockets must be launched at 60 psi. Once pressurized, teams must not touch or approach the rocket. c. Parts of the rocket must not fall off or become separated during launch and/or flight. d. Time begins when the rocket separates from the launcher and e. Time stops when any part of the rocket touches the ground, goes out of sight, or comes to rest on an obstruction. 5. SCORING: a. Rockets with construction or safety violations will not be launched due to safety. b. Ranking is based on the greatest time aloft of rocket c. Ties are broken by the greatest time aloft by a single rocket.

3 ANATOMY & PHYSIOLOGY Middle School Level TEAM: 2 Eye Protection: YES Impound: NO Time: 50 Minutes 1. DESCRIPTION: Students will demonstrate an understanding of the basic anatomy and physiology of the Cardiovascular, Integumentary and Immune systems. a. Each team may bring one 8.5 x 11 sheet of paper that may contain information on both sides b. Teams may bring two non-programmable, non-graphing calculators. 3. COMPETITION DETAILS: The test is limited to the following topics: a. a. INTEGUMENTARY SYSTEM: i. Functions of the Integumentary System ii. Basic anatomy of the component parts of the skin iii. Anatomy of the layers of the skin and sensory receptors iv. Skin Color and Texture, Hair and Nails, Integumentary Glands b. IMMUNE SYSTEM: i. Basic Functions of the Immune System ii. Anatomy and physiology of nonspecific defense system iii. Anatomy and physiology of specific defense system iv. The physiology of the immune response and allergic reactions v. Role of the Lymph System in immunity c. CARDIOVASCULAR SYSTEM: i. The Heart - chambers and valves of the heart, electrical stimulation of myocardial tissue, pacemaker tissue, interpreting ECG (EKG) readings ii. Blood Vessels - arteries, arterioles, veins, venules, capillaries iii. Blood - plasma, hematocrit, red blood cells, oxygen transport, hemoglobin, platelets and blood clotting, regulation of blood plasma volume and acidity, blood typing & basic genetics of ABO, Rh, and MN blood types including paternity mysteries iv. Measurement of the pulse rate and blood pressure v. Relevant calculations include systolic and diastolic pressure, mean arterial pressure, stroke volume and cardiac output vi. Blood Vessels- continuous vs. fenestrated capillaries, blood brain barrier vii. Lymphatic System- white blood cells, lymph nodes, lymph ducts, lymphatic capillaries, lymphoid organs 4. SCORING: a. High score wins. b. Selected questions will be used in the event of a tie.

4 CSI Middle School Level TEAM: 2 Eye Protection: YES Impound: NO Time: 50 Minutes 1. DESCRIPTION: Given a scenario, a collection of evidence, and possible suspects, students will perform a series of tests. The test results along with other evidence will be used to solve a crime. a. Students may bring only these items: i. Test tubes (brushes & racks), spot plates, well plates, reaction plates or similar small containers for mixing ii. Something for scooping & stirring iii. ph paper iv. Magnet(s) v. Hand lens(es) vi. Microscope slides and cover slips vii. Forceps or tweezers viii. Writing instruments ix. Paper towels x. Each team may bring one three-ring binder (any size) containing information to assist with task. 1. Note: Students not bringing these items will be at a disadvantage. b. Supervisor will provide: i. Iodine reagent (KI solution) ii. 1M HCl iii. Chromatography materials plus containers iv. Waste container(s) v. Wash bottle with distilled water (no more than 250 ml) vi. Other equipment (e.g., microscope, probes, calculator, etc.), or c. Safety Requirements: i. Students must wear the following or they will not be allowed to participate: 1. closed-toed shoes 2. Indirect vent chemical splash goggles, 3. Pants or skirts that cover the legs to the ankles, and a long-sleeved lab coat that reaches the wrists and the knees or a long sleeved shirt that reaches the wrists with a chemical apron that reaches the knees. 4. Long hair, shoulder length or longer, must be tied back. 5. Gloves are optional. 3. COMPETITION DETAILS: a. All competitions will consist of evidence from Parts 3. a-d and analysis of the evidence in Part 3.e. Analysis or questions can only be on the evidence topics included in the competition. b. Qualitative Analysis: i. Solids: Anhydrous sodium acetate, yeast, vitamin C (Ascorbic Acid), *calcium carbonate (powdered limestone), *table salt (NaCl), *sugar (crystal), *flour, *calcium sulfate 2H2O

5 CSI (page 2) (gypsum), *cornstarch, *baking soda, *powdered gelatin, *powdered Alka-Seltzer, *sand (white). ii. Non-Powdered Metals: aluminum, iron, zinc, magnesium, copper, and tin. iii. Liquids: lemon juice, rubbing alcohol (isopropyl), household ammonia (3%), water, vinegar, hydrogen peroxide (3%). Every team gets the same set of unknowns (evidence). iv. The unknowns will be identifiable by performing tests such as solubility, acidity, magnetic property, color, density, and odor. c. Polymer Testing/Natural and Man-made Substances: Students will demonstrate their skill in identifying and collecting evidence from a variety of sources such as: i. Hair (i.e.-the difference between human, dog, cat, not specific kinds of hair) ii. Fibers (i.e.- the difference between animal, vegetable, synthetic, etc.) iii. Recyclable plastics d. Paper Chromatography: i. Students will analyze evidence from paper chromatography (ink pens, juices, Kool-Aid, etc.). e. Crime Scene Physical Evidence: i. Students will also demonstrate their skill in collecting and/or analyzing evidence from a variety of other sources such as: 1. Fingerprints: Students may be asked to identify different patterns on fingerprints. 2. DNA evidence: Students may be asked to compare DNA chromatograms/electropherograms from materials found at the scene to those of the suspects. 3. Shoeprints & tire treads: Students may be asked to compare prints and make conclusions such as direction and speed of travel. 4. Soil: Students may be given the composition of soil found at the scene or on the suspects and asked to determine if this implicates any of the suspects. 5. Spatters: Analyze spatter patterns for speed and direction of impact. No calculations are expected to be performed. f. Analysis: i. Students will be asked to write an analysis of the crime scene explaining not only which pieces of evidence implicate which suspect and why the suspect(s) was (were) chosen as the culprit(s), but also why the other suspects were not chosen and any other crime scene analysis questions posed by the event supervisor. 4. SCORING: a. a. The team with the highest score wins. Time will not be used for scoring. The score will be composed of the following elements (percentages given are approximate): 3.a.=50%, 3.b.=10%, 3.c.=5%, 3.d.=10%, 3.e.=15%. 3.f.=10%. Actual point values will be shown at each question. b. Waste will be disposed of as directed by the event supervisor. A penalty of up to 10% may be given if the area is not cleaned up as instructed by the event supervisor.

6 FOSSILS Middle School Level TEAM: 2 Eye Protection: NO Impound: NO Time: 50 Minutes 1. DESCRIPTION: Teams will demonstrate their knowledge of fossil through identification and their ability to answer questions about classification, habitat, ecologic relationships, behaviors, environmental adaptations. a. Each team may bring only one magnifying glass b. One 3-ring binder (any size) containing information in any form from any source. 3. COMPETITION DETAILS: a. Emphasis will be placed upon task-oriented activities. b. Participants will move from station to station, with the length of time at each station predetermined and announced by the event supervisor. c. Participants may not return to stations, but may change or add information to their original responses while at other stations. d. Identification will be limited to species on the Official Fossil List, but other species may be used to illustrate key concepts. e. Questions will be chosen from the following topics: i. Identification of all fossil specimens on the official Fossil List. (provided ii. Conditions required for a plant or an animal to become fossilized. iii. Common modes of preservation iv. Uncommon modes of preservation v. Index Fossils vi. Fossil bearing sedimentary rocks. vii. Modes of life. viii. Environments. ix. Mineral and organic components of skeletons, shells, etc. x. Taxonomic hierarchy: kingdom, phylum, class, order, family, genus, species xi. Adaptations and morphologic features of major fossils groups xii. Important paleontological events and discoveries and their significance ******* Possible questions********** Identify each fossil s mode of preservation. Identify each of the fossils and list them in order from oldest to most recent Based on the fossil and rock associations, determine the environment in which the organism lived. Identify each dinosaur by name, record each specimen s order and the geologic periods in its stratigraphic range. 4. SCORING: Points will be awarded for the quality and accuracy of responses. Ties will be broken by the accuracy and/or quality of responses to several pre-identified questions..

7 IMAGINE THAT Middle School Level TEAM: 3 Eye Protection: NO Impound: NO Time: 4 Minutes 1. DESCRIPTION: The objective is to have team members take turns drawing representations of a set of scientific terms/concepts (not scientists) while the other team member(s) guesses the term being drawn. a. The supervisor will provide writing implements and paper 3. COMPETITION DETAILS: a. Each team will have 4 minutes to complete up to 25 terms. b. All teams will use the same terms in the same order. c. A definite order of rotation shall be followed. All team members will take turns drawing. d. The team may choose to pass; however, they cannot return to that term. e. The sketcher may not speak unless he/she chooses to pass the term. f. Timing begins when the supervisor gives the 1st sketcher the 1st term. g. No other team member may see the term. h. The sketcher will begin by drawing pictures and visual clues. i. Letters of any alphabet, or numbers of any kind, are not allowed j. If a team violates any of the rules the violation will be counted as a pass. k. Team member will be given a new term until the team has gone through their set of terms or time expires. 4. SCORING: a. One point will be awarded for each term correctly identified in the allotted time. b. The team correctly identifying the most terms will be declared the winner. c. In the event of a tie, the first tiebreaker is the fewest terms passed.

8 TOWERS Middle School Level TEAM: 2 Eye Protection: YES Impound: YES Time: 10 Minutes 1. DESCRIPTION: The objective of this event is to design and build the most efficient Tower meeting the requirements specified in these rules. a. Each team may enter only one tower, built prior to the competition. b. Team members must wear eye protection during the set-up and testing of the tower. c. The Event Supervisor will provide: assessment devices, testing apparatus, hardware, and clean, dry sand 3. CONSTRUCTION DETAILS: a. The Tower must be a single structure, with no separate or detachable pieces and constructed of wood and bonded by glue (commercially available bonding material glue) that spans at 20.0 cm x 20.0 cm, at the opening on a Test Base b. There are no limits on the cross-section sizes of individual pieces of wood. Wood may be laminated without restriction by the team c. The Tower may be placed on the Test Base surface in any configuration such that the loading chain is suspended within 2.5 cm of the center of the opening in the Test Base. d. The Tower must support a Loading Block a minimum of 40.0 cm above the Test Base. e. There is no maximum Tower height. f. The portion of the Tower more than 30.0 cm above the Test Base must fit through an 8.0 cm diameter circular opening or hole. g. The loading point on the Tower should allow placement of a chain and Loading Block on and through the Tower and constructed such that only the loading block supports the chain and bucket. h. The Event Supervisor must provide sand for loading the Towers, and must verify that the combined mass of the Loading Block, chain, bucket, sand, and attaching hardware is at least kg and no more than kg prior to testing. i. At the event supervisor s discretion, more than one testing apparatus may be used to ensure all teams can compete in a timely manner. 4. COMPETITION DETAILS: a. a. No alterations, substitutions, or repairs may be made to the Tower after check-in for competition. Once teams enter the event area to compete, they must not leave or receive outside assistance, materials, or communication until they are finished competing. b. b. All Towers must be assessed prior to testing for compliance with construction parameters. c. c. The Event Supervisor must measure the Tower height in cm to the nearest 0.1 cm. d. d. Team members must place their Towers on the scale for the Event Supervisor to determine the Tower mass, in grams to the nearest 0.01 g. e. e. Team members must place the Tower on the Test Base and assemble the Loading Block, eyebolt and chain, and hang the bucket from the chain, as required to load the Tower Team members may disassemble the block and eyebolt if necessary.

9 TOWERS (page 2) f. Team members must be allowed to adjust the Tower until they start loading sand. Once loading of sand has begun, the Tower must not be further adjusted. g. The Event Supervisor must allow team members to safely and effectively stabilize the bucket from movement caused by loading of the sand. h. Team members must have a maximum of ten minutes to set up and test their Towers either to the maximum load or failure. i. Towers that fail before supporting kg must be scored according to the actual weight supported at time of failure (see 6.a.), measured to the nearest gram or best precision available. Loading must stop immediately when a failure occurs. The Event Supervisor may remove any sand added after failure. j. Failure is defined as: the inability of the Tower to carry any additional load, any part of the load is supported by anything other than the Tower, or deflection such that any portion of the Tower gains lateral support from any edge of the Test Base. k. Pending no arbitrations, teams may take their Towers with them after testing If a Tower is removed there can be no further challenges for scoring or ranking. 5. SCORING: a. The load scored must not exceed Ks, and includes the mass of all testing apparatus supported by the Tower. The least amount of load to be scored must be the mass of the Loading Block. b. Tower heights greater than 70.0 cm must be scored as 70.0 cm. c. Towers must be scored and ranked by the following equations: i. Load supported/mass of Tower

10 EDIBLE SCIENCE Middle School TEAM: 2 Eye Protection: YES Impound: YES Time: 50 Minutes 1. DESCRIPTION: Teams will work to understand the science of milk products and experiment with different variable to determine how to produce the best dairy products listed below. a. Students MUST bring: i. Lab Notebook (Impound before event) ii. vinyl or latex gloves (for ice cream lab only) iii. safety aprons or lab coats clothing that covers the skin from neck to wrist & ankles closed-toed shoes iv. Level C chemical splash goggles v. pen or pencil vi. non-programmable calculator vii. paper towels viii. 1-gallon double zipper plastic bags (e.g. Ziploc). ix. 1-quart double zipper plastic bags x. cups xi. spoons xii. graduated cylinders ml xiii. plastic container with lid xiv. measuring spoons xv. cheesecloth xvi. plastic beakers xvii. ph paper b. Event Supervisors will provide: i. necessary milk products ii. sugar iii. vanilla iv. salts v. lemon juice vi. vinegar vii. ice viii. thermometers ix. scales x. any other reagents or equipment not required on the student list 3. COMPETITION DETAILS: a. Lab Notebook (Turned in at impound) Prior to the tournament, teams must perform at least 2 experiments for each of the labs tasks below to understand chemical and physical properties milk. b. Each experiment will constitute one entry in the notebook. c. Only the first 2 entries for each experiment will be graded, so arrange or label your lab notebook to make it easy for the event leader to find and grade each experiment. d. The notebook s first page MUST show the team and student names. e. Each Experiment within the notebook must include the following information and will be scored as follows: i. Experiment Name ii. Hypothesis iii. Variables iv. Controlled Variables v. Independent Variable vi. Dependent Variable vii. Materials (amounts of each ingredient) viii. Procedure ix. Qualitative observations during the experiment x. Quantitative observations during the experiment xi. Discussion of Results

11 EDIBLE SCIENCE (page 2) 4. Lab Tasks during tournament: Ice Cream Formation Teams will use the provided food materials to perform some of the tasks below. a. Combine 120 ml milk, cream or half and half with 1 tablespoon of sugar, add ¼ teaspoon of vanilla if desired. b. Fill a 1-gallon plastic bag half-full with ice and add 6 tablespoons of salt. c. Seal the bag and shake to mix the ice and salt. d. In a 1-pint sized plastic bag place the ice cream mixture and seal the bag. e. Place the smaller sealed bag in the large bag and mix and shake vigorously so that the ice cream mixture is cooled and mixed well. f. After 5-10 minutes, the ice cream can be removed from the smaller plastic bag and shaped in to the tallest formation possible. Determine Milk Fat Mass from Cream a. Transfer 150 ml of the heavy cream into a plastic ml container. b. The temperature of the cream should be approximately 13 C. c. Cap the bottle and shake until a distinct separation of butter particles occurs. d. Drain off liquid portion and discard it. e. Weigh the dried butter to calculate a percentage of butter formed from cream used. c. Test Topics: Teams will take a written exam that covers dairy food science topics such as: the role of lipids, carbohydrates and proteins typically found in dairy foods, standard labeling regulations, saturated & unsaturated fats, chemical structure of sugars, starches, fats and proteins, essential fats, vitamins and proteins, how cooking chemically changes dairy foods, allergens in dairy foods, dairy food preservation, RDA of essential minerals and vitamins in dairy foods, health benefits of dairy foods SCORING: 1. Highest score wins. 2. Final Score = Notebook Score + Lab Task(s) Score + Test Score Penalties

12 SCRAMBLED NOT BROKEN Middle School TEAM: 2 Eye Protection: NO Impound: YES Time: 3 Minutes 1. DESCRIPTION: Prior to the competition, competitors must design, build and test one mechanical device, which uses the energy from a falling mass to transport an egg along a track as quickly as possible and stop as close to the center of a terminal barrier without breaking the egg. 2. CONSTRUCTION DETAILS: a. Air matters must consist of an egg transport vehicle EE TV and an energy propulsion system. These may be a separate or combined into a single unit. In its ready to run configuration, the entire air matters including the egg must not exceed 0.9 0M in any dimension. b. The ETV must be designed to travel a minimum of 7.5 m and stay within a 1.5 m track with before coming to a complete stop is closest possible to the center of the terminal barrier. c. All energy used to propel The ETV must come from a falling mass not to exceed 2.00 KG. d. The mass must be part of the energy for Polson system and need not travel with the ETV. e. The stopping mechanism must be contained completely within the ETV and work automatically. f. The ETV must not be remotely controlled or tethered. g. The egg most rest on top of two 1/4 inch round wooden dowels extending perpendicularly out of a maximum of 4.0 CM from a rigid, unpadded and completely flat backstop for the egg. h. No screws, nails or similar attachment device must be visible on the Side of the backstop that the egg must rest against. i. The bottom of the Dalles must be between CM above the track and within 1.0 CM of the bottom of the backstop. j. The backstop must be built of a single piece of rigid material and it must have a flat surface of 5.0+ or -0.5 CM wide by 5.0+ or -0.5 CM high by CM plus or -0.5 CM thick, be rigidly attached to the ETV, and be perpendicular to the floor. k. To facilitate timing a third 1/4 inch wooden dowel must to be attached vertically directly to the top of the rigid backstop. l. Event Supervisor will provide: i. One cooked Grade A large chicken eggs, one of which is selected by the team immediately prior to their eight minutes set up time. ii. Tape to secure the egg to the ETV. No tape may be placed on the floor or near 1.0 CM of the egg the rounded end of the egg must be touching the backstop and be visible to the ES after attachment. iii. Competitors must start the ETV by using any part of a sharpened number two pencil provided by the ES. iv. The pencil can either actuate a release mechanism or be incorporated into the air matters so that when removed the mass will begin to fall. And either case prior to any run, the team must be able to walk away from the air matters and it's ready to run configuration and have the mass not fall. m. Students must be able to answer questions regarding the design, construction, and operation of the device part of the building policy.

13 3. COMPETITION DETAILS: a. The entire air matter system and any material needed to repair or to bring the air matter into compliance must be impounded before the start of the event. b. Tools for adjusting the air matters, test data, measuring and or calculating devices to assist in making accurate adjustments to the air matters need not be impounded. c. Only competitors in the ES will be allowed in the impound and track areas while the teams are competing. Once competitors into the event area they must not leave the area or receive outside assistance, materials for communication. d. Teams must be given a total of eight minutes to compete up to two runs with their air matters. During this time teams may adjust their air matters, but they must not increase the following mass once it has been measured. e. All parts of the air matters when ready to run must be behind and within 2.0 m of the start line and within the 1.50 m track with. The pointed tip of the egg does not have to start on the start line. f. The energy propulsion system must be held in place to stabilize it during launch but the ETV must be able to remain at its starting position and ready to run configuration without being touched. g. Run time starts when the Dowel of the ETV reaches 0.50 m and ends with it either completely stops or it passes 8.50 m. The runtime is a recorded in seconds to the propulsion of the timing device used. h. If the egg is broken as defined by cracking the egg enough to leave a wet spot on the paper towel, the distance for must be from the point of impact to the center of the terminal barrier. If the egg brakes on the first run, a second run must not be permitted. 4. SCORING: a. Low score wins b. The final score is the better of the two runs scores. c. Run score =distance score + times score +penalties d. Distance scores = A point to point measurement from center of the terminal barrier to the pointed end of the egg measured to the nearest 0.1 cm. e. Time Score = Run Time x 10

14 AIR MATTERS Middle School TEAM: 1 Eye Protection: NO Impound: YES Time: 8 Minutes DESCRIPTION: Prior to games teams design, construct and test free flight rubber powered monoplanes to achieve maximum time aloft. 1. EVENT DETAILS: a. Teams may bring up to 2 planes and any tools. b. Event Supervisor will provide all measurement tools and timing devices. c. Students must be able to answer questions regarding the design, construction, and operation of the device part of the building policy d. After checking in teams must be given an eight minute flight, starting when their first flight trial or official begins. e. Competitors may make adjustments or repairs or trim flights during their official eight minute period. f. Before their launches, competitors must indicate to the timers whether a flight is official or a trial flight. g. Time a loft for each flight starts with the airplane leaves the competitors hand and stops when any part of the airplane touches the floor, the lifting services no longer support the weight of the airplane for the judges otherwise determine the flight to be over. 2. CONSTRUCTION DETAILS: a. Airplanes may be constructed from published plans, commercial kits and/or a student s design, with a total mass of 7.0 g or more. The airplane must be a monoplane and the horizontally projected wing span must not exceed 50.0 cm. b. The maximum wing cord straight line distance from leading edge of wing to trailing edge, parallel to fuselage) of the wing must be 8.0 cm or less. c. The maximum horizontally projected stabilizer span is 30.0 cm. d. The maximum allowable cord of the stabilizer is 6.0 cm. e. The propeller assembly may be built by the competitors or purchased preassembled. It may include a propeller, the shaft, but hanger, and or a thrust bearing. f. Bushings may be placed in the propeller or thrust bearings to reduced wobble or friction. g. The propeller must be a single two bladed, propeller with a maximum diameter of 24.0 cm. h. A rubber motor may not to exceed a mass of 2.0 g must power of the airplanes i. The airplanes must be labeled in such a way as to be easily identified by the event supervisor. j. At least one non-horizontal surface of the airplane such as a fan or panel must be covered in a nontransparent, non-white material so we can be identified at its maximum altitude. k. Competitors may use any type of Winder but electricity may not be available. 3. SCORING: a. The bass score is the teams longest single flight time. Ties will be broken by the longest non-scored official flight time.

15 POWER BREEZE Middle School TEAM: 2 Eye Protection: YES Impound: YES Time: 50 Minutes 1. DESCRIPTION: Teams create a blade assembly using a compact disc (CD), attached to a propeller, pinwheel, or rotor to capture wind power. a. Reference materials must be places in a 3-Ring binder. b. Pencils, Pens, Rulers, Protractors, and nonprogrammable calculators may be used. c. Blade assembly should be impounded in a box, clearly labeled with team name. d. Event Supervisor will provide: i. 20 multispeed box fan for wind source ii. Motor or generator attached to support stand, equipped with an adapter that will hold a 12.0cm CD iii. Load resistor between 5 and 7.5 ohms iv. Device to measure voltage 3. CONSTRUCTION DETAILS: a. Blade assembly must use a 12.0cm CD that fits on a standard CD mount. b. Affixation of the blades are the only modifications that may be made to the CD. c. The radial distance of the blade assembly, once mounted should not have a radial distance exceeding 20cm. d. Nonmetallic substances may only be used in the blade assembly. e. Commercial kits may be used; however, one functional modification must be made. f. While mounted the blade, assembly should extend at least 3cm from behind the mounting plate. g. Teams should be prepared to ask questions regarding the design, construction, and operation of the blade assembly. 4. COMPETITION DETAILS: a. Testing of the Device i. The blade assembly will be tested at both low and hi speeds. ii. Event Supervisors will provide a mounted and fixed 15cm above the table. iii. Verification of correct assemblage will be verified during impounding. iv. Teams have a maximum of 3 minutes to set up and test device per wind speed. v. Once the 3 minutes begins, the teams must then decide to request a 30-second measurement period, administered by the Event Supervisor. vi. The maximum voltage will then be recorded at both speeds. b. Written Testing i. Teams have 3 minutes to complete a test that may consist of: multiple-choice, true false, completion, and/or calculations.

16 POWER BREEZE (page 2) ii. Questions will come from 4 areas + 1 Bonus area: 1. Power Storage 2. Power Generators 3. Wind power rotor/fan blade design 4. Power Transmission 5. BONUS- Historical Wind Power Designs 5. SCORING: a. Final Score= 50 x Device Score/Highest Device Score of all Teams + Written Score Penalties. b. The sum of the low and hi speeds will determine the Device Scores, used for calculation of the Final Score. CD MOUNT AREA 3 cm distance from behind BLADE 20 cm max. FRONT VIEW

17 TICK TOCK Middle School TEAM: 2 Eye Protection: YES Impound: YES Time: 50 Minutes 1. DESCRIPTION: Teams create a blade assembly using a compact disc (CD), attached to a propeller, pinwheel, or rotor to capture wind power. a. Reference materials must be places in a 3-Ring binder. b. Nonprogrammable calculators may be used in Part 1. c. Device and all equipment needed to set-up the device should be impounded and clearly labeled with team name and competition number. d. Event Supervisor will conceal all clocks and teams may not bring watches, stopwatches, or phones in event testing area. 3. CONSTRUCTION DETAILS: c. Commercial balances, scales, test tubes, beakers, graduated cylinders, are allowed. Timepieces and commercial counters are NOT. d. Acceptable non-electrical devices include oscillating springs, pendulums, and water or sand glasses. e. The device may not use an electrical components, physiological functions, or chemical reactions. f. At Impound, the device should be able to fit in an 80.0cm x 80.0cm x 80.0 cm box. 4. COMPETITION DETAILS: a. Part 1 i. Event Supervisors will provide 5 time trials with different target times. The trial times will be the same for all teams. ii. Teams are given 5 minutes to set-up their devices and calibrate them. Devices used for calibration must be returned to vent Supervisor before the trials are administered. iii. Teams have 1 minute to reset in between each of the 5 trials. Event Supervisors will use a device which has a sound to alert teams of the beginning and end of each trial. b. Part 2 i. Teams start with a total of 50 points, 10 per trial and receive deductions based on tie interval range. See Below: TIME TRIAL # Time Interval Range Points Deducted 1 10 to 30 seconds 0.5 pts. per 0.1 sec 2 30 to 90 seconds 0.4 pts. per 0.1 sec 3 90 to 180 seconds 0.3 pts. per 0.1 sec to 300 seconds 0.2 pts. per 0.1 sec 5 any of the above 0.1 pts. per 0.1 sec 5. SCORING: a. The total scores from Part 1 and Part 2 will be combined.

18 SIMPLY RUBE Middle School TEAM: 2 Eye Protection: YES Impound: YES Time: 50 Minutes 1. DESCRIPTION: Prior to the event, competitors will design, build, test, and document a Rube Goldberg like device that completes a required task through an optional series of simple machines. a. Event Supervisors need meter sticks, stopwatches, and measuring tape. b. All competitors must properly wear eye protection always. c. Competitors without proper eye protection must be immediately informed and given a chance to obtain eye protection if time allows, otherwise not be allowed to compete. d. Each device must pass a safety inspection before operation. e. Uncontrolled flames, as well as hazardous liquids and materials and unsafe handling of chemicals will not be permitted. f. Devices with potential hazards or safety concerns must not be permitted to run unless safety concerns are resolved to the satisfaction of the Event Supervisor; otherwise they must receive only participation points. Teams have maximum of 30 minutes to set-up device. 3. COMPETITION DETAILS: a. Transfer Sequence List (TSL)- At the beginning of the event, teams must include a the coordinating TSL for their device. b. The Device must begin with the Start Task and end with the Final Task as listed in Section 4. c. After the Starting Task, the device must be designed to operate autonomously. d. Teams are not allowed to have remotely controlled and/or timed devices. e. The device should be deigned to execute a sequence of transfers from one Simple machine to the next Simple machine. f. Simple machines include: levers pulleys wheel and axels inclined planes screws and wedges. g. Maximum of 15 viable transfers. (Including the Star/Final task) 4. SCORING: a. Start Task-(75 points) i. Drop an unaltered regulation size racquetball into the device to initiate the first action. ii. Must be dropped from a location higher than the device. b. Transfers: (1pt per Transfer) i. Maximum of 15 Transfers may be used. c. Final Task- (150 points) i. Final action should ring, strike a bell, or provide sound, that signals that is the end of the device. d. Transfer Sequence List (100 points max) i. 25 pts- Submission of TSL at impounding ii. 25 pts- 100% Accuracy of actions and transfers iii. 50 pts- Use no more than 30 minutes for set _up