Clasificación de la Biblioteca del CongresoQC120-168.85

17th century(21) animals(32) art(6) astrophysics(5) aviation(5) Bath(13) big book(17) biology(9) boat(6) boats(14) chaos(7) chemistry(78) children(55) children's(63) children's fiction(6) children's literature(6) children's picture book(5) classics(8) comics(8) computer science(9) concepts(8) Descartes(5) digital(7) early reader(7) earth(33) easy reader(9) ecology(7) education(13) educational(5) elementary(11) energy(25) engineering(28) England(8) environment(27) experiments(162) force(40) Galileo(31) gas(6) general science(28) Grade 2(21) graphic novel(17) gravity(40) grief(9) high school(5) history(133) history of science(130) Hobbes(9) humor(7) informational(52) Isaac Newton(10) Italy(5) juvenile(19) juvenile non-fiction(10) kids(15) light(7) literature(6) logic(6) loss(6) machines(12) math(146) matter(25) middle school(9) mystery(14) natural science(10) nature(67) Newton(12) ocean(21) oceanography(9) philosophy of science(30) photographs(5) picture book(153) pollution(7) popular science(25) pregnancy(5) preschool(5) primary(10) programming(5) projects(9) reference(27) Renaissance(5) school(9) science(1,821) science and technology(7) science nonfiction(18) science studies(8) scientific revolution(12) scientists(10) sea(5) simulation(6) sink(19) sinking(50) slow(7) sound(8) speed(33) teaching(5) thermodynamics(8) time(7) weather(95) weight(8) wind(29) ya(5)