A
What is an underwater valley where the oceanic crust seems to be seperating?
Rift
Underwater plains that border the coninents?
the continental shelf
A body of water where the river meets the ocean?
estuary
A high ridge that separates two river systems?
drainage divide
The term evolutionists use to describe a missing link between two kinds of animals to show how one kind of animal could have turned into a nother kind?
transitional form
A low area of land near the coast that floods with the tide?
salt marsh
Remains or impression of living things, usually preserved in sedimentary rock?
fossil
A thick ice sheet that slowly moves under its own wight?
glacier
Organic material in soil?
humus
The sturdy of the earth?
geology
What term describes all water on Earth, whether liquid solid or gas?
hydrosphere
An island parallel to the mainland's shore?
barrier island
What causes neap tides to be weak?
gravitational forces of the sun and moon work at right angles against each other
Starting on the surface, list the layers of the earth in order.
Crust, mantle, core
Use of plant and animal products to create alternative fuel?
Biofuel
Sedimentary rock formed from the remains of living things instead of minerals?
coal
Vaporous fossil fuel?
natural gas
The process in which sediments are transported along the coast with the current?
longshore drift
Mineral containing metal?
ore
Thick, dark liquid called crude oil?
petroleum
Rare, valuable, very hard mineral, such as diamond, ruby, sapphire or emerald?
precious stone
A large stream that moves through the ocean?
ocean current
An enormous wave caused by an earthquake on the ocean floor?
tsunami
What is the solid parts of the earth called?
geosphere
Rock changed in form by heat and pressure?
metamorphic rock
Type of rock formed from magma or lava?
igneous rock
The theory that crustal plate activity can cause geological events and processes?
plate tectonics
Opening in the ocean floor that releases hot, mineral rich water?
hydrothermal vent
Tectonic plate activity in which heavier plates are believed to have slid under lighter plates?
subduction
The idea that present observations can explain all the geological features of the earth?
uniformitarianism
The first stage of Noah's flood?
flooding stage
The flat and mostly level floor of the ocean?
abyssal plain
Type of seafloor mud made from minerals and the remains of tiny ocean organisms?
ooze
Land drained by a river?
Drainage basin
What is a tsunami caused by?
earthquake
What kind of current is the Gulf Stream?
surface current
What is a large stream that moves through the ocean called?
tide
What is an underwater mountain range?
mid-ocean ridge
What is a rock layer holding water?
aquifer
Scientists who study fossils?
paleontologists
Another name for fossil graveyards?
bone beds
What are the two types of weathering?
chemical and physical