EARTH 4- Final Exam Guide - Comprehensive Notes for the exam ( 28 pages long!)
Document Summary
Iron atoms are small compared to others but largest formed. )- heat & gravitational pressure heated up enough so earth partially melted (not enough for nuclear fusion like sun) but melts materials on interior & less dense materials work their way up to exterior & vice versa. Iron & metal (very dense materials) probably get drawn into interior of planet- release a lotta energy & friction- form surface layer of earth (crust) Dark ages in europe (renaissance: chinese navigators explored indian ocean, indonesia, africa, & the atlantic in the. 1400s- ships laden w/gifts to show china"s wealth & degree of civilization- opposite of. Europe"s method (give away gifts rather than steal); chinese invented central rudder, water-tight compartments, sails on multiple masts: henry the navigator: explorers compiled detailed charts & explored africa"s west coast; Magellan expedition- first voyage around the world (1082 days) James cook, a commander in british royal navy, led 3 (1768-71; 1772-75; 1776-80) voyages that contributed to oceanography:
