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  2. List of citizen science projects - Wikipedia

    en.wikipedia.org/wiki/List_of_citizen_science...

    [4] [5] An emerging branch of Citizen Science are Community Mapping projects that utilize smartphone and tablet technology. For example, TurtleSAT [6] is a community mapping project that is mapping freshwater turtle deaths throughout Australia. This list of citizen science projects involves projects that engage all age groups.

  3. California mission project - Wikipedia

    en.wikipedia.org/wiki/California_mission_project

    The mission project is commonly assigned to California elementary school students in the fourth grade when they are first learning about their state's Spanish missions. Students are assigned one of the 21 Spanish missions in California and have to build a diorama out of common household objects such as popsicle sticks , sugar cubes, papier ...

  4. Fourth grade - Wikipedia

    en.wikipedia.org/wiki/Fourth_grade

    Fourth grade (also 4th Grade or Grade 4) is the fourth year of formal or compulsory education. It is the fourth year of primary school . Children in fourth grade are usually 9–10 years old.

  5. Middle Rio Grande Conservancy District - Wikipedia

    en.wikipedia.org/wiki/Middle_Rio_Grande...

    The Conservancy is a major recipient of water from the San Juan–Chama Project, a series of tunnels and diversions that take water from the drainage basin of the San Juan River – a tributary of the Colorado River – to supplement water resources in the Rio Grande watershed. 24% of the 3,755,307,600 cubic feet (106,338,470 m 3) annual supply ...

  6. New Bridge Middle School (Jacksonville, NC) - Wikipedia

    en.wikipedia.org/wiki/New_Bridge_Middle_School...

    New Bridge Middle School is one of 8 middle schools in the Onslow County School system (North Carolina). [2] It is Onslow County's middle school magnet program for math, science and technology. While New Bridge occupies one of the older buildings in the district, it is the newest of the 7 middle schools in the district which also serve as one ...

  7. Water power engine - Wikipedia

    en.wikipedia.org/wiki/Water_power_engine

    A water power engine includes prime movers driven by water and which may be classified under three categories: [1] Water pressure motors, having a piston and cylinder with inlet and outlet valves: their action is that analogous of a steam- or gas-engine with water as the working fluid – see water engine

  8. Ultrapure water - Wikipedia

    en.wikipedia.org/wiki/Ultrapure_water

    Ultrapure water (UPW), high-purity water or highly purified water (HPW) is water that has been purified to uncommonly stringent specifications. Ultrapure water is a term commonly used in manufacturing to emphasize the fact that the water is treated to the highest levels of purity for all contaminant types, including organic and inorganic compounds, dissolved and particulate matter, and ...

  9. Atmospheric water generator - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_water_generator

    State-of-the-art AWG for home use. An atmospheric water generator (AWG), is a device that extracts water from humid ambient air, producing potable water. Water vapor in the air can be extracted either by condensation - cooling the air below its dew point, exposing the air to desiccants, using membranes that only pass water vapor, collecting fog, [1] or pressurizing the air.

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