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Atoms | Middle school chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/science/ms-chemistry Want to explore more? Check out the full middle school playlist…

Dependent and independent clauses | Syntax | Khan Academy

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/humanities/grammar/syntax-sentences-and-clauses/phrases-and-clauses/e/dependent-and-independent-clauses Independent clauses can stand on their own as sentences, but dependent…

Elements | Middle school chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/science/ms-chemistry Want to explore more? Check out the full middle school playlist…

Fossils and rock layers | The geosphere | Middle school Earth and space science | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/middle-school-earth-and-space-science/x87d03b443efbea0a:the-geosphere/x87d03b443efbea0a:fossils-and-rock-layers/v/fossils-and-rock-layers Earth's…

Introduction to irregular verbs | The parts of speech | Grammar | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/humanities/grammar/parts-of-speech-the-verb/irregular-verbs/v/introduction-to-irregular-verbs-the-parts-of-speech-grammar Words like "walk" and "look" are…

Phrases and clauses | Syntax | Khan Academy

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/humanities/grammar/syntax-sentences-and-clauses/phrases-and-clauses/e/introduction-to-phrases-and-clauses A phrase is any collection of words that behaves like a part of speech,…

Protons, neutrons, and electrons in atoms | Chemistry | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now! https://www.khanacademy.org/science/hs-chemistry/x2613d8165d88df5e:atoms-elements-and-the-periodic-table/x2613d8165d88df5e:atomic-structure/v/protons-neutrons-and-electrons-in-atoms Want…

Subjects and predicates | Syntax | Khan Academy

Keep going! Check out the next lesson and practice what you’re learning: https://www.khanacademy.org/humanities/grammar/syntax-sentences-and-clauses/subjects-and-predicates/e/identifying-subject-and-predicate A subject is the noun or pronoun-based part of a sentence, and a…

The Bill of Rights: an introduction | US government and civics | Khan Academy

Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/humanities/us-government-and-civics/us-gov-civil-liberties-and-civil-rights/us-gov-the-bill-of-rights/v/overview-of-the-bill-of-rights The first ten…