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The Free High School Science Texts (FHSST) organization is a South African non-profit project, which creates open textbooks on scientific subjects. Textbooks are edited to follow the government's syllabus, and published under a Creative Commons license (CC BY [1]), allowing teachers and students to print them or share them digitally.
The book also illustrates Earth's eventual fate by compressing its full 12 billion-year history into 12 hours on a clock, with the first life appearing at 1:00 am, the first animals and plants appearing at 4:00 am, and the present day being 4:29.59 am. The Earth is destroyed by the Sun at "high noon", though animals and plants come to an end by ...
The Atlas Coeli covers both hemispheres with 16 charts. The coordinate system is referred to equinox 1950.0 and the scale is 1° = 0.75 cm. There are six charts of the equatorial regions on a rectangular graticule, covering declinations from +25° to -25°; four charts for each hemisphere with straight, converging hour circles and concentric, equally-spaced declination circles covering ...
The platform offers a slew of educational resources, including NCERT textbooks for classes 1-12, audio-visual resources by NCERT, periodicals, supplements, teacher training modules and a variety of other print and non-print materials. These materials can be downloaded by the user for offline use with no limits on downloads.
Based on Gore's lecture tour on the topic of global warming this book elaborates upon points offered in the film. The publisher of the text states that the book, "brings together leading-edge research from top scientists around the world; photographs, charts, and other illustrations; and personal anecdotes and observations to document the fast pace and wide scope of global warming."
Experimental Design Diagram (EDD) is a diagram used in science to design an experiment.This diagram helps to identify the essential components of an experiment. It includes a title, the research hypothesis and null hypothesis, the independent variable, the levels of the independent variable, the number of trials, the dependent variable, the operational definition of the dependent variable and ...
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The Choral Public Domain Library: a comprehensive library of public domain choral sheet music, downloadable in PDF, MIDI, and other formats; Mutopia: a collection of public domain sheet music; Musopen: free public domain music; Public Domain Project: free public domain music from historical 78 rpm records; Project Gutenberg music section