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Designing a Hand Pollinator

Designing a Hand Pollinator. By: Michelle Garcia and Erin Barrett. Story Comprehension.

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Designing a Hand Pollinator

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  1. Designing a Hand Pollinator By: Michelle Garcia and Erin Barrett

  2. Story Comprehension • In Mariana Becomes a Butterfly, Mariana realizes that her Ohelo plant is not being pollinated by insects. She tells her dad about this problem. He then tells her to ask her aunt, an agricultural engineer, for advice. Her aunt uses the engineering design process to guide Mariana in finding a solution. In the end, she realizes that she needs to make a hand pollinator, so she does.

  3. The Engineering Design Process

  4. Mariana’s Engineering Process • Ask: “Why is my plant is not doing well?” • Imagine: “ What are some reasons why my plant is not being pollinated?” • Plan: “ What types of materials will pick up and drop off pollen well?” • Create: “ Let me see test the materials.” • Improve: “ Which material picks up and drops off pollen the best?”

  5. Try It! • choose a type of flower • design it • Test various materials to see which would pollinate a flower the best • choose the best type of material to design the hand pollinator • Build the pollinator

  6. Our Engineering Process • Ask: “ How can we design an effective hand pollinator?” • Imagine: We visualized how each material would pick up pollen. • Plan: We picked the materials we would test. • Create: We designed some different hand pollinators. • Improve: We determined which materials made the best hand pollinator, and then we combined these 2 materials to make a better hand pollinator.

  7. Our Flower

  8. Aluminum foil Testing stage Picking up Pollen Dropping off Pollen

  9. Pipe cleaner Testing stage Picking up pollen Dropping off pollen

  10. Tape Testing stage Dropping off pollen Picking up Pollen

  11. Pom Pom Testing stage Picking up pollen Dropping pollen off

  12. Improvements • This project would be an age appropriate project for 2nd to 5th grade students. • However with children in 1st grade or below, the project would have to be simplified • For example, you could have the kids test less materials or have the teacher do the project as a demonstration

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