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Visual Learning Systems
Understanding Soil Horizons
This video explains the concept of soil horizons and the different layers that make up a soil profile. It highlights the three main horizons - A, B, and C - and their characteristics, such as nutrient content, humus presence, and mineral...
Visual Learning Systems
Weathering and Soils: Introduction
In this video students will learn about the two major types of weathering, and the forces that alter the shape and composition of rocks. Students will explore the different types of soils, soil properties and the soil profile. Other...
Visual Learning Systems
Weathering and Soils: Summing Up
In this video students will learn about the two major types of weathering, and the forces that alter the shape and composition of rocks. Students will explore the different types of soils, soil properties and the soil profile. Other...
US Department of Agriculture
Soil Testing to Manage Nitrates on Delaware farms
USDA's Natural Resources Conservation Service in Delaware and its partners are helping farmers take care of their soil and the environment. Jacob Urian of the Kent Conservation District demonstrates how to conduct a Pre-Side Dressing...
Visual Learning Systems
Weathering and Soils: Soil Types
In this video students will learn about the two major types of weathering, and the forces that alter the shape and composition of rocks. Students will explore the different types of soils, soil properties and the soil profile. Other...
Visual Learning Systems
Weathering and Soils: Mechanical Weathering
In this video students will learn about the two major types of weathering, and the forces that alter the shape and composition of rocks. Students will explore the different types of soils, soil properties and the soil profile. Other...
Visual Learning Systems
Weathering and Soils: Weathering
In this video students will learn about the two major types of weathering, and the forces that alter the shape and composition of rocks. Students will explore the different types of soils, soil properties and the soil profile. Other...
msvgo
Soil: An Important Natural Resource for Life
It explains the formation of soil. It talks about what soil is made up of and the soil profile.
NASA
NASA | SAM Engineer Profile: Synthia Tonn
This video profiles Synthia Tonn, a junior engineer on the Sample Analysis at Mars (SAM) instrument team responsible for SAM's ground support equipment as well as its 'plumbing,' or the series of tiny, winding gas lines that connect...
Curated Video
Grain Basket: an Ovambo Proverb
It’s taken me ages to finally admit that I'm a procrastinator. So this particular proverb really hits home for me. “Supposing doesn't fill the grain basket “if” doesn't fill the larder.”
This sounds so sounds obvious, it’s...
This sounds so sounds obvious, it’s...
Lingokids
How to draw a Flower
What grows in nature and smells so sweet? Flowers! Let's learn how to draw a flower step by step in this Crafts by Lingokids.
NASA
NASA | Meet the SAM Team: Jesse Lewis
Sample Analysis at Mars (SAM) is a suite of instruments developed for use on the Mars Science Laboratory. By looking for evidence of water, carbon, and other important building blocks of life in the Mars soil and atmosphere, this...
NASA
NASA | Meet the SAM Team: Dan Carrigan
Sample Analysis at Mars (SAM) is a suite of instruments developed for use on the Mars Science Laboratory. By looking for evidence of water, carbon, and other important building blocks of life in the Mars soil and atmosphere, this...
National Museums Liverpool
The story behind the Malpas Hoard
The Malpas Hoard is a group of 35 coins which were struck between 134BC and around AD50. It was discovered during a metal detecting rally in 2014 and reported to archaeologists through the Portable Antiquities Scheme. While we don't know...
National Parks Service
How to Become a B.A.R.K. Ranger: Visiting Yosemite with a Dog
Planning on visiting Yosemite with your dog? Ranger Nicole explains how to become a Yosemite B.A.R.K. Ranger and visit the park safely with your pet.
New Mexico State University
Soil Sampling: Soil Variability
Not all soil is created equal. Learners examine what to look for in a soil sample to identify key characteristics that don't require lab testing. They see that it's easy to verify observations by comparing the samples to a soil map.
Learning Games Lab
Why Study Soil?
Some scientists spend their entire careers analyzing and learning about soils. An interesting video lesson provides an overview of what soil scientists do and why. Pupils learn how soil analysis connects to other branches of science...
New Mexico State University
Properties of Soil: Particle Size
Soil is 25 percent air on average. Learners may have a difficult time accepting that fact without a visual to demonstrate the property. A quick video lesson uses a model to show how this percentage is true and also discusses the...
Learning Games Lab
Properties of Soil
How do the different types of soil allow water to flow? Scholars compare flocculated and dispersed soils and their ability to move water through the soil. Silt, sand, and clay particles clump together and create large pores in the soil...
Learning Games Lab
Soil Infiltration: Soil Porosity Testing
Soil pollution has a longer reach than may seem possible. A video presentation demonstrates how a seemingly isolated soil contamination spreads and even reaches waterways. The lesson demonstrates how scientists conduct porosity tests...
New Mexico State University
Soil Sampling: Random Sampling a Small Field with Hammer Probe
There's some serious science behind farming! A quick video lesson presents the process of collecting a random field soil sample for analysis. Instruction includes what a random sample looks like as well as how to prepare the sample for...
New Mexico State University
Soil Sampling: Random Sampling Across a Large Field with Hammer Probe
What defines a random sample? Scholars learn how to collect a random soil sample from a large field. The narrator explains the importance of ensuring the sample is random and shows how to create a random sample before sending it to the lab.
Learning Games Lab
Cation Exchange
Understanding soil composition requires an understanding of chemical bonding. An informative video lesson shows learners how the atoms and molecules in the soil form ions that attract and repel other atoms and molecules. The...
SciShow Kids
What's the Dirt on ... Dirt?
Dirt or soil? What's the difference? Actually, dirt is soil as explained by the video's high-energy speaker who goes on to emphasize its importance. She describes the composition of soil as minerals, water, air,...