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  2. Fick's laws of diffusion - Wikipedia

    en.wikipedia.org/wiki/Fick's_laws_of_diffusion

    Fick's first law relates the diffusive flux to the gradient of the concentration. It postulates that the flux goes from regions of high concentration to regions of low concentration, with a magnitude that is proportional to the concentration gradient (spatial derivative), or in simplistic terms the concept that a solute will move from a region of high concentration to a region of low ...

  3. Full-Option Science System - Wikipedia

    en.wikipedia.org/wiki/Full-Option_Science_System

    FOSS is in use in every state in the country with over 100,000 teachers and 2 million students and is in approximately 16% of the nation's school districts. FOSS was the first non-textbook curriculum to make the California adoption list (1992) and was adopted in California for the 2007 science adoption (FOSS California K–5).

  4. Diffusion - Wikipedia

    en.wikipedia.org/wiki/Diffusion

    Diffusion is a stochastic process due to the inherent randomness of the diffusing entity and can be used to model many real-life stochastic scenarios. Therefore, diffusion and the corresponding mathematical models are used in several fields beyond physics, such as statistics , probability theory , information theory , neural networks , finance ...

  5. Diffusion process - Wikipedia

    en.wikipedia.org/wiki/Diffusion_process

    It is used heavily in statistical physics, statistical analysis, information theory, data science, neural networks, finance and marketing. A sample path of a diffusion process models the trajectory of a particle embedded in a flowing fluid and subjected to random displacements due to collisions with other particles, which is called Brownian motion.

  6. Osmosis - Wikipedia

    en.wikipedia.org/wiki/Osmosis

    The process of osmosis over a semipermeable membrane.The blue dots represent particles driving the osmotic gradient. Osmosis (/ ɒ z ˈ m oʊ s ɪ s /, US also / ɒ s-/) [1] is the spontaneous net movement or diffusion of solvent molecules through a selectively-permeable membrane from a region of high water potential (region of lower solute concentration) to a region of low water potential ...

  7. Science, technology, society and environment education

    en.wikipedia.org/wiki/Science,_technology...

    The key aim behind these efforts was to ensure the development of a broad-based science curriculum, embedded in the socio-political and cultural contexts in which it was formulated. From Fensham's point of view, this meant that students would engage with different viewpoints on issues concerning the impact of science and technology on everyday ...