5 6 3 from salt to silk precious goods (social studies)

Bộ sách Scott Foresman reading street grade 5 advance gồm các quyển sau: 5.1.1 This Is the Way We Go to School 5.1.2 Forecasting the Weather (Earth Science) 5.1.3 Harvesting Medicine on the Hill 5.1.4 African American Athletes (Social Studies) 5.1.5 The Land of Opportunity (Social Studies) 5.2.1 When the Disaster Is Over (Social Studies) 5.2.2 A Safe Heaven (Social Studies) 5.2.3 Making Friends in Mali 5.2.4 Saving Endangered Species (Life Science) 5.2.5 The National Guard Modern Minutemen (Social Studies) 5.3.1 The Patent Process (Social Studies) 5.3.2 The Inspiration of Art (Social Studies) 5.3.3 Whats New with Dinosaur Fossils (Life Science) 5.3.4 Music Gets the Blues (Social Studies) 5.3.5 Hollywood Special Effects (Social Studies) 5.4.1 Cheaper, Faster, Better Recent Technological Innovations (Social Studies) 5.4.2 Feel, Think, Move (Life Science) 5.4.3 A Home for Humans in Outer Space Is It Possible? (Space and Technology) 5.4.4 Nathaniel Comes to Town 5.4.5 What Makes Great Athletes? (Social Studies) 5.5.1 The Sandwich Brigade 5.5.2 Inventions from Space Travel (Space and Technology) 5.5.3 Astronauts and Cosmonauts (Space and Technology) 5.5.4 The Shaping of the Continents (Earth Science) 5.5.5 Journey to Statehood (Social Studies) 5.6.1 Oceans of Resources (Social Studies) 5.6.2 MixedUp Vegetables (Life Science) 5.6.3 From Salt to Silk Precious Goods (Social Studies) 5.6.4 Flying into the 21st Century 5.6.5 Unexpected Music (Social Studies)

... to the surface The World’s Leading Oil Consumers, 2004 China 7 .5% Japan 6. 8% United States 25% Rest of World 22% 18 Germany 3 .5% Russia 3 .5% India 3. 0% South Korea 2.9% Canada 2.7% France 2 .6% ... A N 0 50 0 50 0 S E A 1000 Miles 1000 150 0 Kilometres It took as long as six months for caravans from West Africa to reach the Mediterranean coast Silk, a Prized Secret The Value of Silk Silk is... table salt The Value of Salt In ancient times, the main way to preserve food was to salt it There were no refrigerators to keep food from spoiling quickly And ancient peoples didn’t know how to