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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

Soil vs. Sand Germination

Science Fair Report

By Mr. Pham

3rd Period Science

3rd Trimester 2005

Robert Louis Stevenson Middle School

slide2

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.

slide3

Materials

  • 2 ziploc bags
  • 2 clear plastic cups
  • 20 pinto bean seeds
  • 200 ml of natural soil
  • 200 ml of sand
  • 100 ml water
slide4

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
slide5

Observation & Data

Pinto Bean Experiment Observation Table

slide6

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.
slide7

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.
slide8

Works Cited

  • Seed Germination. HighBeam Research, Inc. September 22, 2005. <http://www.encyclopedia.com>
slide9

Acknowledgement & Thanks

  • I would like to thank myself for helping me.
  • My students for my inspiration