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In this activity, students will learn about soil separates and how to determine a soil's textural class.
In this activity, students will learn about soil separates and how to determine a soil's textural class.
Follow the steps below (1-9) to complete this activity.
Follow the steps below (1-9) to complete this activity.
Materials needed for the “Soil Separates Activity”
Materials needed for the “Soil Separates Activity”
Jar/bottle with a lid that is "straight/vertical" with a "flat" bottom
“Non-sudsing” soap (soap for dishwashing machines works best)
Soil sample from the A horizon (topsoil). Enough to "halfway" fill a sandwich-sized Ziploc bag
Sharpie/marker to be used on the jar/bottle
Ruler with centimeters
Step 1: Download the "Soil Separates Activity" student worksheet. Make your own copy of this worksheet. Your Google document will be submitted using a Google Form when the activity has been completed (Step 10).
Step 1: Download the "Soil Separates Activity" student worksheet. Make your own copy of this worksheet. Your Google document will be submitted using a Google Form when the activity has been completed (Step 10).
Step 2: Complete Part A of the student worksheet by watching the videos below. You might also find using your textbook or conducting searches on the internet helpful.
Step 2: Complete Part A of the student worksheet by watching the videos below. You might also find using your textbook or conducting searches on the internet helpful.
Step 3: Complete Part B of the student worksheet by watching the demonstration video below.
Step 3: Complete Part B of the student worksheet by watching the demonstration video below.
Step 4: Check your answers in Part B of the student worksheet by watching the "worksheet key" video below.
Step 4: Check your answers in Part B of the student worksheet by watching the "worksheet key" video below.
Step 5: Use the instructions in Part C of the student worksheet to determine the soil separate proportions/percentages for your soil.
Step 5: Use the instructions in Part C of the student worksheet to determine the soil separate proportions/percentages for your soil.
Step 6: To finish Part C, watch the demonstration videos below to determine the proportions/percentages resulting from the separation that occurred in Step 6 and how to properly "present" your data on your worksheet.
Step 6: To finish Part C, watch the demonstration videos below to determine the proportions/percentages resulting from the separation that occurred in Step 6 and how to properly "present" your data on your worksheet.
Step 7: Complete Part D of your student worksheet by using a soil textural triangle and by watching the demonstration video below. The "geospatial submission" mentioned in this video is not currently part of this activity. Including the latitude and longitude for your sample in the appropriate "response box" on your worksheet will be sufficient.
Step 7: Complete Part D of your student worksheet by using a soil textural triangle and by watching the demonstration video below. The "geospatial submission" mentioned in this video is not currently part of this activity. Including the latitude and longitude for your sample in the appropriate "response box" on your worksheet will be sufficient.
Step 8: Complete Part E by watching the demonstration video below while using the website found in Part E.
Step 8: Complete Part E by watching the demonstration video below while using the website found in Part E.
Step 9: Worksheet Submission - Submit your completed student worksheet using the "Submission Link" beneath the information for the correct instructor/class/school. If your instructor provided you with a different submission process, be sure to follow those instructions.
Step 9: Worksheet Submission - Submit your completed student worksheet using the "Submission Link" beneath the information for the correct instructor/class/school. If your instructor provided you with a different submission process, be sure to follow those instructions.
APES 2022-23: Do not continue past this point.
APES 2022-23: Do not continue past this point.
Step Z: Flipgrid Report - Each student must make an individual Flipgrid report using the guidelines provided in the Flipgrid assignment links below:
Step Z: Flipgrid Report - Each student must make an individual Flipgrid report using the guidelines provided in the Flipgrid assignment links below:
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