University of California
Uc Davis Geo Wiki: Chemical Budgets of Oceanic Elements
To the extent that the composition of the ocean remains constant, the rate at which any one element is introduced into seawater must equal the rate of its removal. A listing of the various routes of addition and removal, together with...
Simon Fraser University
Chem1 Virtual Textbook: Chemical Budgets of Oceanic Elements
As part of the General Chemistry Virtual Textbook, this site examines a variety of topics related to the elements of the oceans. Topics covered include Phosphorus, Carbon, Bicarbonate, Calcite, and more.
Other
What Is a Soil Test?
The North Carolina Department of Agriculture explains soil testing, taking a soil sample, and analyzing the results.
Other
Chemistry Resources: The Nitrogen Family
This site provides a photograph and information on all the elements of the Nitrogen family.
Geography 4 kids
Geography4 kids.com: Cycling Phosphorus
An essential element in the ecosystem is phosphorus. Discover the phosphorus cycle, what depends upon it, and how it works.
Chem4kids
Chem4 Kids: Element List
Site provides the first 18 elements found in the Periodic Table. Click on an element to discover where it is found and what it's characteristics are.
Other
Alken Murray: The Phosphorous Cycle
A diagram which clearly illustrates the phosphorous cycle in a somewhat technical manner.
Other
Ed Hume Seeds: Testing Your Soil
Conduct a soil test to find out what nutrients your soil is lacking. This site gives directions on how to gather a soil sample and what nutrients you should test for to get the best soil.
Other
Moms Team: u.s. Dietary Reference Intakes (Dr Is) for Minerals
Here is a chart with useful information on the minerals you need to be healthy. Includes "functions" and "sources" of calcium, iron, magnesium, sodium, potassium, zinc, copper, selenium, chromium, manganese, iodine, fluoride, and phosporus.
Precision Nutrition
Encyclopedia of Food: Phosphorus
Find out how humans can acquire phosphorus and why it is important to the body.
Other
Lenntech: The Phosphorus Cycle
A concise explanation of the phosphorus cycle. Also contains a flow diagram which illustrates the flow of phosphate through the cycle.
Ducksters
Ducksters: Chemistry for Kids: Elements: Phosphorus
This site includes information about phosphorus's atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of phosphorus are discussed.
Other
Kids World : Plant Nutrition
Plants need certain nutrients to grow well. Use this site to find out what plants need, how to care for them, how to read a fertilizer label, and do the fun activities, like a quiz, a puzzle and a coloring book.
Curated OER
Bcit Chemistry Resource Center: Phosphorus
This page provides very brief information about phosphorous (chemical symbol P.)
Curated OER
Phosphorous Cycle Diagram
A diagram which clearly illustrates the phosphorous cycle in a somewhat technical manner.