Unit 3 Chapter 2 VOCAB

a flat grassland

• prairie

• sod

• emigrate

• pack animal

the top layer of grassy soil, sometimes used to build houses

• sod

• emigrate

• pack animal

• keelboat

to leave one place to settle permanently in another

• emigrate

• pack animal

• keelboat

• steam engine

an animal, such as a horse or a mule, that is used to carrying heavy loads

• pack animal

• keelboat

• steam engine

• steamboat

a boat with a long ridge on the bottom, used to navigate rivers

• keelboat

• steam engine

• steamboat

• locomotive

a motor that uses steam to work

• steam engine

• steamboat

• locomotive

• transcontinental

a boat powered by a steam engine

• steamboat

• locomotive

• transcontinental

• ore

a railroad engine

• locomotive

• transcontinental

• ore

• homestead

crossing the entire continent

• transcontinental

• ore

• homestead

• sovereignty

a rock or mineral from which metal can be obtained

• ore

• homestead

• sovereignty

• keelboat