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Science & Nature

STEM: Soil Testing (FLEX)

Design a system to test pH levels of soil in this four week, collaborative, student-led, STEM challenge for gardeners!
Kristin Olsen
37 total reviews for this teacher
Completed by 2 learners
  There are no upcoming classes.
year olds
learners per class


Charged upfront
$5 per week
Flexible schedule
Over 4 weeks
No live meetings

There are no open spots for this class.

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Class Experience

This class is taught in English.
This class meets the following standards:
NGSS - Earth's Systems
NCTM - Problem Solving, Communication, Connections, Representation
ITEA - Nature of Technology, Technology and Society, Technological World
CCSS - English Language Arts Standard: Science and Technical Subjects
Week 1:  Write an essay.  The group should write a two-page paper summarizing their collective research on pH levels and plants.  Sources should be cited properly.  The paper can include up to two images.  DUE: Monday of Week #2.

Week 2:  Create a soil testing system.  Learners will make a diagram and explain their strategy, then create the system individually.

Week 3:  Test the system.  Learners will conduct the experiment individually.  As a group, they will analyze, and interpret the results of their collective data.  The group will submit a written summary including the purpose, description of the procedure, and explanation of the results.  DUE: Wednesday of Week #4.

Week 4:  Reflect and Evaluate.  Learners will complete the "Reflection" handout and evaluate their performance as a team member by completing the "Self-Evaluation Rubric."  DUE: by close of class.
 3 files available upon enrollment
The following materials should be available to the learners: Small Shovel/Trowel Water Plastic Baggies other materials determined by student research Soil Test Kit - There are a variety of test kits available online and at local garden centers, do not select a meter. This is the test kit I recommend. The 40 sample kit is more than sufficient.
Learners will not need to use any apps or websites beyond the standard Outschool tools.
Learners will self assess their performance by completing a scoring rubric.
Learners will be assessed using a scoring rubric within one week of end of section.
No live meetings, and an estimated 4+ hours per week outside of class.


Kristin Olsen
Lives in the United States
37 total reviews
88 completed classes

About Me

Hello!  My name is Kristin.  I was a licensed Teacher in Oregon prior to having children (ages 6-11) and focusing on their education.  I earned a Masters of Arts in Teaching degree from Western Oregon University in Middle and Secondary Education... 
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