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Optics

Physics Events. Optics. Melissa Booker Physics Teacher Robinson Secondary MCBooker@fcps.edu. Event Format. Part I—Test on Geometric and Physical Optics Part II—Laser Shoot Basics—Kids need to figure out where to place to mirror so that a laser beam will travel around a barrier to a target.

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Optics

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  1. Physics Events Optics Melissa Booker Physics Teacher Robinson Secondary MCBooker@fcps.edu

  2. Event Format • Part I—Test on Geometric and Physical Optics • Part II—Laser Shoot • Basics—Kids need to figure out where to place to mirror so that a laser beam will travel around a barrier to a target

  3. Event Parameters • Competitors may bring tape measurers, rulers, protractors, and use any type of calculator for use during the competition • All reference materials to be used during the competition must be secured in a 3-ring binder; materials must be 3-hole punched so that nothing can fall out.

  4. Laser Shoot Parameters • 561 cm x 10.0 0.5cm x 35 1cm • Barrier along the center line, 2-4cm in width • Two mirrors • Target along back

  5. Wind Power

  6. Event Format • Part I—Test on Wind Power and the physics of wind power • Part II—Student pre-built blade assembly is tested on CD motor apparatus; maximum current generated (in mA) recorded

  7. Event Parameters • 20” box multispeed fan • Support stand • Clamp • LOAD RESISTOR of 5.0-7.5 applied to everyone’s device (same applied by event supervisor to everyone) • Spring-load type CD clip found on PORTABLE BATTERY POWERED CD PLAYERS

  8. Blade Assembly Parameters • Must be mounted to a CD so that it can fit on the CD motor assembly • Blades must be between 25.0-28.0cm long • CD may be cut, but inside ring that attaches to motor must remain intact

  9. Earth and Space Science Events 2011 Astronomy

  10. General Format • Typically in test format although this year it specifies that it may include one or more stations • Likewise, may be shown objects to identify through powerpoint

  11. Event Parameters • Laptop OR 3-ring binder (any size) • Materials in binder MUST be hole-punched and inserted into the rings (notebook sleeves allowed) • Programmable Calculator allowed • Internet access is NOT allowed

  12. Topics for 2011 • Quasars • Active Galactic Nuclei (AGNs) • Galaxy Clusters & Groups of Galaxies • Star Formation • SUPERMASSIVE Blackholes • Galactic Structure • Globular Clusters • Type Ia & Type II Supernovae • Eclipsing Binaries • X-ray Binaries

  13. Some Deep Space Objects • Epsilon Aurigae(Eclipsing Binary/Argol Variable) • NGC 6240 (Two galaxies colliding, each with a supermassiveblackhole at center) • 3C321 (System of two galaxies rotating around each other) “Death Star Galaxy” • supermassiveblackhole • Cen(taurus) A (lenticular galaxy) • Radio galaxyactive galactic nucleus • Stephan’s Quintet (5 visually linked galaxies, 4 form galaxy group) • MACSJ0717 (Galaxy cluster) • Bullet Cluster (two colliding galaxies, evidence for dark matter) • Perseus A (Seyfert galaxy)

  14. Possible Tasks • Analysis multiple wavelength images of the DSO’s (should have each DSO in multiple wavelength images) • Analysis of light curves (Cepheids, RR Lyrae, Type Ia Superova) with distance calculations (Period-Luminosity, distance modulus) • Analysis of spectra—Doppler shift and Doppler broadening • Orbital Motion of Binaries • Cosmological Distances (Parallax, Distance Modulus, Cepheids, Type Ia Superova, Red shift and Hubble’s law)

  15. Dynamic Planet

  16. General Format • Test format, although may include stations

  17. Event Parameter • Allowed four (4), double-side 8.5”x11” pages of notes • Allowed up to two (2) non-graphing calculators.

  18. Topics • Earth’s Fresh Waters • Interpret USGS topo maps • Stream drainage systems • Channel types • Sediment • River valley forms and processes • Perennial & intermittent stream flow • Groundwater • Karst features • Lake formation and types, lake features • Wetlands • Dams and levees • Hydrologic cycle • Pollution

  19. Tasks • Analysis of features on topo map • Watershed boundaries, elevation, gradient, direction of flow, drainage pattern, valley shapes, erosional landscapes, depositional features • Water table contour map • Indicate direction of groundwater movement • Analysis of data on thermal structure of a lake • Determine how stratification changes seasonally

  20. Fossils

  21. Event Format • Stations—Emphasis on Fossil Identification • Given a set amount of time to move between stations; cannot return to a station • Answer questions about classification, habitat, ecologic relationship, behaviors, dating and correlating rocks

  22. Event Parameters • Allowed one (1) magnifying glass • Allowed one (1) published field guide • Allowed one 3-ring binder (any size) • Materials must be 3-hole punched and inserted into the rings

  23. Topics • Conditions required for fossilization • Modes of preservation • Relative dating • Absolute dating • Radiometric, half-life, carbon dating • Geologic time scale • Index Fossils • Fossils bearing sedimentary rocks • Modes of life • Environments • Mineral and organic compounds of skeletons • Taxonomic hierarchy • Features of major fossil groups • Major paleontological events

  24. Know and tab the list! • Students should tab in their guide each fossil on the 2011 fossil list • Students should know index fossils and the geologic period during which it thrived • Buy a fossil kit and have kids practice!

  25. Remote sensing

  26. Event Format • Tests or stations Event Parameters • Allowed up to five (5) two-sided 8.5” x 11” sheets of paper containing information from any source • Allowed metric ruler, protractor, triangle • Allowed any kind of non-graphing calculator

  27. Topic: Human Impact on the Environment • Causes, consequences & evidence for human impact on the environment • Analyze and interpret remote sensing images • Math computations to analyze or express quantitative data • Understand concepts and terms related to the sustainability of the terrestrial, oceanic, and atmospheric environments on earth • Development and resource extraction • Radiative balance of atmosphere • Natural and man-made sources of greenhouse gases • Changes in land, atmospheric, and oceanic temperatures • Carbon, nitrogen, and hydrologic cycles • Understand principles of satellite imagery • Interpret digital data presented numerical on a grid

  28. Resources • Science Olympiad Store—Remote Sensing CD • NASA • http://rst.gsfc.nasa.gov/ (Tutorial on Remote Sensing) • http://eospso.gsfc.nasa.gov/eos_homepage/for_educators/educational_dvd.php (Dynamic Earth--NASA Our Ever-Changing Planet) • http://www.nasa.gov/topics/earth/index.html (NASA Looks at Earth) • UCAR • http://www2.ucar.edu/news/backgrounders/understanding-climate-change-global-warming

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