-
contour plowing, terracing, no till farming, and cover crops are forms of...
soil conservation
-
phyisical weathering is made by wind, water, and ice. Chemical weathering is made by acids. True or false?
True!!!
-
there are three types of volcanoes. Cinder cone, composite, and ____________
shield
-
earthquakes occur along _________ plates.
tectonic
-
in a normal fault the hanging wall goes down. in a reverse fault, the hanging wall goes ________
up
-
three deformations of earths crust are...
- compression
- tension
- folding
-
convergent boundaries, divergent boundaries, and transform boundaries are all theries of _______________
plate tectonics
-
the supercontinent that broke apart many years ago is called________
Pangea
-
what is the middle layer?
mantle
-
what is the very inside of the earth?
core
-
which is the outer layer of the earth?
crust
-
eon, eras, epoch are all ....
divisions of time
-
when there is a rock layer missing it is called a
discomformity
-
a break in the geologic record is an...
uncomformity
-
an arrangement of rock layers in which the oldest rocks are at the bottom
geologic column
-
when scientists think that younger rocks lie above older rocks if the layers have not been disturbed
superposition
-
__________ is any method of determining whether an event or object is older or younger than other events or objects
relative dating
-
catastrophism
a principle that states that geologic change occurs suddenly
-
a principle that states that geologic processes that occured in the past can be explained by current geologic processes.
uniformitarianism
-
natural resources are from the earth.
renewable resources can be _______ again.
Nonrenewable resources are NOT ________ again.
-
three types of rock are
1_______
2_______
3_______
- sedimentary
- igneous
- metamorphic
-
Layers of rock are called ___________.
strata
-
Intrusive igneous rock is from inside the surface, so extrusive is from ___________.
outside the earth's surface
-
composition is the ________________ of a rock. It describes either the minerals or other materials in a rock.
chemical makeup
-
Rock:
a naturally occuring solid mixture of one or more minerals
-
_______, _______, and ______ are ways that the earth's surface is weathered.
weathering, erosion, and deposition
-
________ and _______ start with a d and an h.
They are two factors of minerals.
density and hardness
-
Streak:
the color of the powder of a mineral
-
___________ are naturally formed, inorganic solids that have a definite crystalline structure.
Minerals
-
Topographic Map
A map that shows the surface features of the Earth
-
What does global positioning system stand for?
GPS
-
What map projection do scientists use to make a map of the United states?
Conic projection
|
|
