iRubric: Repot a plant rubric

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Repot a plant

Student will determine whether the plant needs to be repotted by knocking the soil column out and examining the roots, pruning the roots, placing the plant in a new pot and backfill and tamp soil around the roots, water it and fertilize

Rubric Code: UX44W2

By wnorton4

Ready to use

Public Rubric

Subject: Science

Type: Quiz

Grade Levels: 6-8, 9-12, Undergraduate

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	Poor 1 pts	Fair 2 pts	Good 3 pts
Examine the roots	Poor Student causes damage to the plant when trying to knock it out of the plant. Student struggles to point out dead and healthy roots.	Fair Student gets the plant out the container but in a way that may cause stem or root damage. Student may or may not be able to point out dead and healthy roots.	Good Student properly pops the plant out of the container and visibly inspects the root system and is able to point out healthy and dead roots. Determines percentage of rootbound roots.
Prune the roots	Poor Students don't prune the roots at all or only very minimally.	Fair Student misses pruning the roots at the bottom or misses pruning the roots at the sides of the column.	Good Student cuts and combs roots out from the bottom inch of the soil column and along the sides.
place and add soil	Poor Students make 3 or more mistakes or leave out steps.	Fair Student make 1 or 2 mistakes like forgetting to moisten the soil or potting the plant in too large a pot or placing the plant at an incorrect soil level, or not tamping the soil properly.	Good A drainage layer is made in the bottom of the correct size pot. The plant is centered and at the correct level, soil is moistened and tamped around the soil column.
water & fertilize	Poor Student make 3 or more mistakes, forgetting to water or fertilize. Or the student will water without drenching the soil column or use the wrong fertilizer rates.	Fair Students make 1 or 2 mistakes either forgetting to water or fertilize or watering improperly	Good When watering the water is filled to the brim and allowed to drain out the bottom of the pot. Liquid fertilizer and granular fertilizer is added at the proper rates.
Cleanup	Poor Student leaves more than two tools out and doesn't clean up or sweep up any messes.	Fair Student may leave one or two tools out or may not clean up the floor. Plant soil may not be cultivated.	Good Student cleans up and puts all tools in their proper place. if water or soil is on the floor it is swept up. Plant soil is cultivated.