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  1. Camera Obscura (Pinhole Camera)

    https://ohio4h.org/camera-obscura

    (INTERMEDIATE to ADVANCED level) |  PDF for PRINTING NOTE: It is never safe to look at the sun without proper ... sun during a total solar eclipse. A total solar eclipse occurs when the moon passes between the sun ... tracing paper should be between the tubes. The aluminum foil should face out. Using the pushpin, gently ...

  2. Solar Eclipse Shadow Play

    https://ohio4h.org/solar-eclipse-shadow-play

    ADVANCED level) |  PDF for PRINTING When a total solar eclipse occurs, some places will be completely engulfed in ... Point light source       Extended light source         Differences in shadows between a point light ... distinguish between the rays coming from the two sources. In Figure 1, light rays from both sources are ...

  3. Food Preservation and Safety

    https://fairfield.osu.edu/program-areas/family-and-consumer-sciences/food

    precisely to ensure a high-quality, safe product that they and their family can enjoy. Home Food ... OSU Extension, and others. All pressure canner dial gauges should be tested for accuracy each year. ... Testing for dial gauge canners is available at no cost by appointment. Contact Shannon Carter at ...

  4. Older Youth Opportunities

    https://fairfield.osu.edu/program-areas/4-h-youth-development/2020formsandapplications

      Criteria (applicants must meet ALL THREE) Attain the level of High School Senior (or above) as of January ... Fair Board.  Membership is open to youth between the ages of 14 and 18 years old. New members must be ... High School Seniors and those in college. If you have questions or want more information, please ...

  5. Member Resources and Information

    https://fairfield.osu.edu/program-areas/4-h-youth-development/member-resources-and-information

    Ohio Achievement Record form.  There are three levels of awards:  White Clover for members in the first ...

  6. Calendar of events

    https://ohio4h.org/january-2024/calendar-events

    include a 50/50 raffle and card games and refreshments will be available. All donations will benefit the ... for its third annual reverse raffle. Tickets are $50 and a meal and drinks are included. Guests must ... players in the club level of Huntington Stadium after the conclusion of the game. Tickets are $17 each and ...

  7. Small Moon, Big Sun 1

    https://ohio4h.org/small-moon-big-sun-beginning

    a small moon cover the big sun during an eclipse? The answer is in the distance between Earth and the sun ... evidence to decide what will happen next. ratio. A number that shows the relationship between two amounts. ...

  8. 4-H SPARK EXPO

    https://ohio4h.org/workforce-development/4-h-spark-expo

    college and career readiness program, Ohio 4 H Pathways to the Future. a collaboration between Ohio 4-H ...

  9. 2023 Water Quality Field Day Resources

    https://waterqualityextension.osu.edu/resources/2023-water-quality-field-day

    Soil Structure Plowed Bi-Annually Soil Structure Upcoming Field Days Drainage Installation Field Day- ...

  10. Better Process Control School

    https://foodindustries.osu.edu/events/better-process-control-school-5

    must be received by February 20 to receive a partial refund. There is a $50 cancellation fee ($150 ... high-speed internet connection Processor: 2 GHz Free Disk Space: 250 MB Free RAM: 2 Gb Resolution: 1024x768 ...

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