A | B |
geologists | scientists who study the processes that create Earth's features |
constructive forces | forces that build Earth's features |
destructive forces | forces that wear away earth features |
continents | great land masses surronded by oceans |
seismic waves | energy waves that move through the Earth's layers |
pressure | force exerted over an area |
basalt | very dense rock found in oceanic plates |
granite | less dense crystalline rock found in continental plates |
crust | uppermost layer of the earth |
mantle | layer composed of the lithosphere and asthenosphere |
lithosphere | region of the mantle that is rigid and borders the crust and floats on the asthenosphere |
asthenosphere | soft solid area of the mantle |
outer core | liquid layer composed of melted iron & nickel |
inner core | dense, extremely hot, solid iron ball |
magnetosphere | invisible, magnetic region that surrounds the earth |
radiation | form of heat transfer by infrared light |
conduction | heat transfer through direct contact |
convection | indirect heat transfer through a medium |
density | mass / volume |
thermos | device that inhibits heat transfer |