Minerals & Metals
Gemstone that consists of corundum with traces of iron or titanium that give it a distinctive blue color
Sapphire
The main factor that affects the color of the oceans
Natural Color
Deep cracks or fissures that develop on the surface of a glacier
Crevasses
Fossils used by evolutionists to date rock layers
Index Fossils
Rock formed when other types of rock are "cooked" by heat and pressure
Metamorphic Rock
The largest group of minerals, which composes over 90% of the earth's crust
Silicates
Oceanographers usually measure hydrostatic pressure in this metric unit
Kilopascals
Hills that form when advancing glaciers overrun old piles of till
Drumlins
Thought to be the missing link in man's evolution, but was later found to be the remains of a modern human
Cro-Magnon man
Well known amorphous rock that has a glass-like texture and splits to form sharp edges
Obsidian
The metal used as fuel in nuclear reactors
Uranium
2 main factors that determine the density of seawater are temperature and this
Salinity
The reason Icebergs can float in seawater
Icebergs are less dense than seawater
The idea that attempts to reconcile the Bible and evolution by claiming that God used evolution as the method of creation
Theistic evolution
Based on Biblical teachings, this event was probably directly responsible for laying down most of Earth's sedimentary rock layers
Flood
The way light is reflected from the surface of a mineral
Luster
This is the deepest known point in the sea
Mariana Trench
Large holes formed when when huge chunks of melting glacial ice lodge in washed-out sediments
Kettles
The idea that understanding modern geological processes is the key to understanding the earth's geological history
Uniformitarianism
This type of rock consists of smooth pebbles embedded in hardened sand or clay
Conglomerate rock
Region's of the earth's surface where limestone is exposed and abundant
Karst regions
This substance makes up most of the salt in the oceans
Sodium Chloride
The main agent of chemical weathering
water
The term that refers to a fossil organism found in strata that are supposedly too old or too young to contain that organism
Anomaly
Type of weathering that involves the breaking or peeling away of rock into layers
Exfoliation