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An open textbook is a textbook licensed under an open license, and made available online to be freely used by students, teachers and members of the public. Many open textbooks are distributed in either print, e-book, or audio formats that may be downloaded or purchased at little or no cost.
[8] [9] [10] In 1920 and 1924 Caldwell, Eikenberry and Earl R. Glenn published a textbook Elements of General Science: Laboratory Problems, which was a new version of the 1915 laboratory manual A Laboratory Manual for General Science, which accompanied the general textbook. [11]
Ninth grade (also 9th grade or grade 9) is the ninth or tenth year of formal or compulsory education in some countries. It is generally part of middle school or secondary school depending on country. Students in ninth grade are usually 13-15 years old, but in some countries are 15–16.
OpenSciEd is an American nonprofit organization that creates open source science education materials and curricula for all grades, initially focusing on grades 6-8. [1] OpenSciEd's approach is based on a science storyline, where students build upon their understanding of a topic by asking questions and investigating their answers through ...
Many states require courses in the "core" areas of English (or Language Arts), Science, Social Studies (or History), and Mathematics every year although others allow more choice after 10th grade. [22] Three science courses, biology, chemistry, and physics are usually offered.
Pearson Education, known since 2011 as simply Pearson, is the educational publishing and services subsidiary of the international corporation Pearson plc.The subsidiary was formed in 1998, when Pearson plc acquired Simon & Schuster's educational business and combined it with Pearson's existing education company Addison-Wesley Longman. [1]