SCIENCE
ECOLOGY
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
According to the settling tube experiment, which soil is the heaviest and fell to the bottom of the tube?
|
|
clay
|
|
|
humus
|
|
|
sand
|
|
|
silt
|
Explanation:
Detailed explanation-1: -Sand particles are the biggest and weigh more than silt-so the bottom layer will be the sand part of the soil.
Detailed explanation-2: -Sand has the largest particles and settles fast.
Detailed explanation-3: -Sand, silt, and clay are made from different rocks and minerals but the other important difference between them is the size of their particles. Sand has the biggest, clay the smallest and silt is in between.
Detailed explanation-4: -Sand: The sand particles are big and heavy. They settle at the bottom.
Detailed explanation-5: -Silt: The middle size soil particle is silt. Because of this, it will form a layer on top of your bottom/sand layer in your jar.
There is 1 question to complete.