information gathered directly by using 1 or more of the 5 senses.
-seeing, touching, hearing, tasting, and smelling
A logical conclusion based on observations and passed experiences.
scientist who studies the earth.
Earths outermost layer.
Large land masses.
The earths thickest layer underneath the crust.
The earths brittle crust and the upper part if the mantle make up this layer.
the layer right below the lithosphere made up of solid, but putty like material.
the earths center made up of the metal iron and nickle.
hot liquid metal; flows slowly.
Hot; solid material.
transfer of heat energy through solid mater as one particle strikes another. Heat moves through the core and crust by conduction.
the transfer of heat from flowing material such as liquid or gas. heat moves through the earths mantle by convection and convection currents.