By mr pham 3 rd period science 3 rd trimester 2005 robert louis stevenson middle school
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Soil vs. Sand Germination Science Fair Report By Mr. Pham 3 rd Period Science 3 rd Trimester 2005 Robert Louis Stevenson Middle School Introduction Background information: a. A seed is a holding embryo of a plant. b. Germination is when a seed become a seedling.

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By Mr. Pham 3 rd Period Science 3 rd Trimester 2005 Robert Louis Stevenson Middle School

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Soil vs. Sand Germination

Science Fair Report

By Mr. Pham

3rd Period Science

3rd Trimester 2005

Robert Louis Stevenson Middle School


Introduction

  • Background information:

    a. A seed is a holding embryo of a plant.

    b. Germination is when a seed become a seedling.

    c. A seed will germinate when it has enough moisture, right temperature, oxygen, and with light or no light.

    2. Problem or question to solve

    a. Problem: Farmer Pham wants to find the best conditions to germinate pinto beans.

    b. Question: Will pinto bean germinate better in natural soil or sand?

    3. Hypothesis

    Pinto bean will sprout more and healthier in sand than natural soil.


Materials

  • 2 ziploc bags

  • 2 clear plastic cups

  • 20 pinto bean seeds

  • 200 ml of natural soil

  • 200 ml of sand

  • 100 ml water


Procedure

  • Get all required materials

  • Label zip lock bags and cups

  • Place 200 ml of natural soil in one cup and 200 ml of sand in another

  • Place 10 pinto seeds at random in each cup

  • Water each cup with 50 ml of water

  • Place the cups in the zip lock bags and observe every day


Observation & Data

Pinto Bean Experiment Observation Table


Data Analysis

  • Based on the observation, the pinto bean seeds germinated more, faster, and healthier in natural soil than sand.

  • On the third day, there were 4 more germinated in natural soil than sand. Toward the end of the experiment, there were 6 more germinated in soil than sand.

  • Sprouts were consistently taller and greener in soil than sand through out our experiment.

  • We also noticed that the sand remained wetter than natural soil through out our experiment.


Conclusion

  • Our hypothesis was incorrect, because there were more seed germinated in natural soil than sand.

  • Furthermore, the sprouts were healthier in natural soil than sand.

  • Since sand seems to hold water more and longer than soil, the seeds were too wet.

  • If we were to do it again, we would make sure to keep the moisture at the same level and use more seeds.

  • Our new hypothesis: Pinto beans will germinate more and healthier in natural soil than sand.

  • Farmer Pham should use natural soil to germinate his pinto beans.


Works Cited

  • Seed Germination. HighBeam Research, Inc. September 22, 2005. <http://www.encyclopedia.com>


Acknowledgement & Thanks

  • I would like to thank myself for helping me.

  • My students for my inspiration


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