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  1. Camera Obscura (Pinhole Camera)

    https://ohio4h.org/camera-obscura

    (bouncing) into your eyes. These light rays are then focused to create a projection of the tree in the back ... Because our simple cardboard tube device does not have the same ability to focus light that our eyes do, ... using only a small pinhole to allow light rays into the tube forces the light to focus on a specific ...

  2. Solar Eclipse

    https://ohio4h.org/solareclipse

    for sun safety. Did you know some areas of Ohio will experience a total solar eclipse on April 8? ...

  3. Tips for Sun Safety

    https://ohio4h.org/Tips-for-Sun-Safety

    How To Use Solar Eclipse Viewing Glasses Safely Always inspect your solar eclipse viewing glasses before use; if scratched, punctured, torn, or otherwise damaged, discard them. Read and follow any instructions printed on or packaged with the glasses. Alwa ...

  4. Seminars

    https://aede.osu.edu/seminars

    significant increases in livestock production and changes in farm structure. We replicate Hornbeck and ... resource the fastest. Together, these results indicate that increases in agricultural productivity can ... requirement) on learning, technology diffusion, and industry dynamics. Based on rich data consisting of ...

  5. Science exploration and discovery with 4-H

    https://ohio4h.org/january-2024/science-exploration-and-discovery-4-h

    look for the Mobile Design Lab with a focus on clovers and kids! Cloverbud Engineering Adventure Almost ... 300 Cloverbuds focused on engineering design and discovery at this year's challenge. These ...

  6. Foundation grants make camp possible

    https://ohio4h.org/january-2024/foundation-grants-make-camp-possible

    water sports, boating safety, and aquatic science. 4-H State Forestry Wildlife Conservation Camp Youth ...

  7. Roberto Kimura

    https://aede.osu.edu/our-people/roberto-kimura

    focused on assessing the potential impacts of climate change on industrial forests in Midwestern Brazil. ...

  8. Calendar of events

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

    a kids-focused night that will be fun for the whole family. Tickets are $17 each and can be purchased online. ...

  9. 4-H Horse Publications & Resources

    https://ohio4h.org/animalsciences/horse/4-h-horse-publications-resources

    Book    Page 16 update- Feed Expense Record available HERE. 191R Horses, Safety and You     Page ... 8 update- Use of helmet is required. New page available HERE.   Web Sites OSU Vet ... Ranch Horse Classes           Every Time, Every Ride--Helmet Safety for Riders This 20-minute video is ...

  10. Healthy Living

    https://ohio4h.org/intranet/healthy-living

    to health and safety programming.   Statewide Healthy Living Programs   (public page) 4-H ...

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