Erosion and Soil Top 10 Most Amazing Science Experiments 6 months ago   07:36

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funsciencedemos
Jared explains why erosion occurs more slowly when soil is paired with leaf debris or plants, in this simple demonstration you can try at home or in class!

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Comments 429 Comments

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Sandeep Maheshwari
Thank you so much I will make it for my Social Science project
Toxic Playz
Wow this is cool
WARIS ULLAH siddique
good ....
thefalconmckwean
Soil erosion is a very important topic, but there are a few points about this experiment that make it pretty unrepresentative of real life soil erosion/nutrient loss.

1. The soil in the grass bottle was already at least slightly damp because the grass was not wilted. The other two were bone dry and uncompacted (AKA "fluffy"). When water is added to the only-dirt bottle it tunnels under the soil and a thick layer of soil can be seen floating on top of it.
2. Pouring water from a pitcher is not a good way to simulate rain. The force is much higher, the rate is much higher so the soil doesn't get a chance to absorb the water like would happen with rain, and the soil is not evenly wetted.
3. The bottles are cool, but not a good representation of real life. In real life situations, surfaces are slanted and heavy rains cause water to run across the top of the soil, carrying some solid material with it. That's the erosion aspect which is mediated by having live plants in the soil, which allow the water to strike the surface of the soil more gently and physically blocks some of the solid parts of the soil from washing away. In addition, roots break up the soil, making it more spongy and allowing more water to absorb vs compacted soil which has little air space and absorbs water very slowly. In this video, when water is added to the only-soil bottle, the soil doesn't even get a chance to absorb the water before it starts flowing out the mouth of the bottle. In reality the soil is compacted and it's only the fluffier top layers that are washed away immediately, eventually revealing the more compact, water impermeable layers below which are very difficult or impossible for plants to grow in.

A better illustration of soil erosion would use a wide, flat container on a slant with the soil compacted partially and slightly moist, and a watering can or some similar tool which distributes the water like rain does.
蔡嘉恆
I have submitted Traditional Chinese subtitle. Can you please verify it so that people from my country can better understand your video?
Shetasen
how did you make the larger soil-root profile ?
Sonika Suwalka
Really good
Alondra Ramirez
Sentkiu
the radioactive pineapple
This channel is so cool I love it.
Radioactive Potato
So um u telling us dat we should pour water on grass instead of dirt? Kk
Crimsyn Vaotuua
Sorry to ask but what type of soil did you use ?
Joshua Marshall
Good Job
Isaiah Drouin
yes
Coffee Bean
thanks for the science fair project
Rylie Johnson
Thank you so much! You have helped me tons on my business project!
Srch76 Game
THATS A LOT OF DAMAGE








ok no
Dario Detaro
This vid helps me alot to my test of my school(science)
Gobygoby883 MochilA
Hello you want to be mi friend
Leonardo Roberto
this video helped me figure out wtf science is
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Top 10 Most Amazing Science Experiments Erosion and Soil 6 months ago   10:07

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