Alphabetical
soil
[noun]
The loose top layer of Earth’s surface where plants grow, made up of particles of rocks, minerals, and organic material.
Appears in modules:
- Chemical Reactions Types of reactions and the laws that govern them
- Defining Minerals Composition and crystal structure
- Diffusion I Random molecular movement and influences on diffusion rate
- Ecosystem Services Categories and valuation
- History of Earth's Atmosphere II The rise of atmospheric oxygen
- Mass Extinctions Major turning points in biodiversity
- Photosynthesis I Harnessing the energy of the sun
- Revolutionzining Medicine with Monoclonal Antibodies The work of César Milstein
- Scientific Controversy Development and resolution of controversies
- Stoichiometry The proportional nature of chemical reactions
- The Hydrologic Cycle Reservoirs and fluxes of water on Earth
- The Nitrogen Cycle Of microbes and men
- The Phosphorus Cycle Phosphates and fertilizer
- The Piltdown Hoax A lesson on confirmation bias in science
- The Silicate Minerals The silica tetrahedron and Earth's most common minerals
- Tracking Endangered Jaguars across the Border The work of Sergio Avila
- Using Graphs and Visual Data in Science Reading and interpreting graphs
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