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Utah Education Network (UEN)
Utah Open Textbook: 5th Grade Science
How do Earth's changes affect humans? Pupils learn about physical and chemical changes on Earth and how they lead to erosion, earthquakes, and volcanoes. Using the text, they also explore the concepts of electricity and magnetism by...
Upper Canada District School Board
Tom Stretton's Advanced Placement Chemistry: Liquids and Solids
Take on this self-guided advanced level e-text, and learn about the chemical and physical structure of liquids and solids.
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