A student conducted a soil sedimentation test by placing soil in a jar of water, shaking it, and allowing it to settle for 24 hours. Three distinct layers formed. Which layer would be found at the BOTTOM of the jar?

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Question

A student conducted a soil sedimentation test by placing soil in a jar of water, shaking it, and allowing it to settle for 24 hours. Three distinct layers formed. Which layer would be found at the BOTTOM of the jar?

Accepted Answer

Sand particles — Award 1 mark for identifying that sand particles are heaviest and settle first at the bottom. A is incorrect — clay particles are smallest and lightest, remaining suspended longest and settling on top. B is incorrect — organic matter floats on the water surface. D is incorrect — silt settles in the middle layer between sand and clay.

Answer

Clay particles

Answer

Sand particles

Answer

Organic matter

Answer

Silt particles

One real Agricultural Science question.No signup. 30 seconds.

One real Agricultural Science question.
No signup. 30 seconds.