Unit B - Section 3
What is Soil?
The first attached link is for a foldable which walks students through the basic definitions of soil.
http://thirdgradethinkers8.blogspot.ca/search?updated-max=2012-05-06T05:01:00-07:00&max-results=6
The next link is for a small experiment in which students can work their way through stations to explore the different types of soil (clay, loam, and sandy) and determine how much water is retained within the water.
https://drive.google.com/file/d/0Bw6pPmqCbfwZeWdWa0pFbnVEcUE/edit
The first attached link is for a foldable which walks students through the basic definitions of soil.
http://thirdgradethinkers8.blogspot.ca/search?updated-max=2012-05-06T05:01:00-07:00&max-results=6
The next link is for a small experiment in which students can work their way through stations to explore the different types of soil (clay, loam, and sandy) and determine how much water is retained within the water.
https://drive.google.com/file/d/0Bw6pPmqCbfwZeWdWa0pFbnVEcUE/edit
Humans Affect the Quality of Soil
The first link is for an experiment which shows students how soil can be degraded through erosion. This can be linked to clearing land for buildings or deforestation.
http://www.lapappadolce.net/science-experiment-on-soil-erosion-2/?lang=en
The next resource is for an article which discusses the degradation of soil by excess salt.
http://scienceblog.com/75106/one-fifth-global-farm-soil-degraded-salt/#XcLSQFcUgM3xGDdy.97
The first link is for an experiment which shows students how soil can be degraded through erosion. This can be linked to clearing land for buildings or deforestation.
http://www.lapappadolce.net/science-experiment-on-soil-erosion-2/?lang=en
The next resource is for an article which discusses the degradation of soil by excess salt.
http://scienceblog.com/75106/one-fifth-global-farm-soil-degraded-salt/#XcLSQFcUgM3xGDdy.97