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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. 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 ...

  4. Upcoming Events

    https://ohio4h.org/statewide-programs/operation-military-kids/upcoming-events

    years of age by the time of camp Cost: Ohio Army National Guard: $150 Department of Air Force (any ... component): $150 Any other branch/component: $250 *For questions about cost, please see the FAQ document ...

  5. Being a Naturalist in the 21st Century: Perspectives from the Field

    https://ocvn.osu.edu/events/being-naturalist-21st-century-perspectives-field

    to bridge the gap between nature and mental health. She demonstrates a profound commitment to ...

  6. 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. ...

  7. 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 ...

  8. Master Gardener Volunteer Forms

    https://butler.osu.edu/program-areas/master-gardener-volunteers/master-gardener-volunteer-forms

    Programs with Minors, Policy 1.50 Activities and Programs with Minors, Policy 1.50 Signature Page ...

  9. 2024 Ohio Youth Poultry Clinic

    https://ohio4h.org/events/2024-ohio-youth-poultry-clinic

    Schedule Overview.   Topics: (50-minute sessions) Poultry Nutrition, Slaughter, Quality Assurance (60 min, ...

  10. Yellowstone to Yukon: Enhancing Rocky Mountain animal migration through remote sensing and international collaboration

    https://epn.osu.edu/events/yellowstone-yukon-enhancing-rocky-mountain-animal-migration-through-remote-sensing-and

    telemetry, GPS, and remote camera traps. He combines this high-tech work with traditional methods, collecting ...

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