aerial
of the air or atmosphere; produced by or found in the air; performed in the air |
atmospheric
relating to or located in the atmosphere |
balanced force
forces are balanced when the forces pushing (or pulling) an object in one direction are the same size as the forces acting in the opposite direction |
cloud cover
the state of the sky when it is covered by clouds |
consumer
people who buy goods or services |
decomposer
an organism, often a bacterium or fungus, that feeds on and breaks down dead plant or animal matter, thus making organic nutrients available to the ecosystem |
deforestation
the state of being clear of trees; the removal of trees |
deposition
act of depositing, especially laying down of matter by natural process |
ecosystem
system formed by the interaction of a community of organisms with their physical environment |
erosion
corrosion; a gradual decline of something |
flood plain
a low plain adjacent to a river that is formed chiefly of river sediment and is subject to flooding |
flow
the act of flowing or streaming; continuous progression; dominant course of successive events or ideas |
friction
clash in opinion; rubbing against; conflict |
inertia
property of matter by which it tends when at rest to remain so, and when in motion to continue in motion, and in the same straight line or direction |
interdependent
mutually dependent; reliant on one another |
landforms
features that make up the earth's surface, such as a plain, mountain, or valley |
machine
a device consisting of fixed and moving parts that modifies mechanical energy and transmits it in a more useful form |
meander
follow a winding and turning course; move aimlessly and idly without fixed direction |
momentum
product of a body's mass and its velocity; impelling force or strength; impetus |
niche
small concavity; a position particularly well suited to the person who occupies it |
pattern
a model considered worthy of imitation; something regarded as a normative example |
photograph
picture or likeness obtained by photography |
pollutants
foreign substance that makes something dirty, or impure, especially waste from human activities |
producer
someone who manufactures something |
record
be or provide a memorial to a person or an event; a compilation of the known facts regarding something or someone |
recycle
reprocess; use again after processing |
run-off
run away, usually includes taking something or somebody along; run off as waste; leave suddenly and as if in a hurry |
sedimentation
the phenomenon of sediment or gravel accumulating |
simple
having or composed of only one thing, element, or part; not involved or complicated |
slope
be at an angle; incline; gradient |
topographic
concerned with detailed, precise description of a place or region |
tributary
branch that flows into the main stream; tending to bring about; being partly responsible for |
unbalanced
being or thrown out of equilibrium; debits and credits are not equal |
water cycle
the cycle of processes by which water circulates between the earth's oceans, atmosphere, and land |
weathering
erosion; exposure; action of the elements on a rock in altering its color, texture, or composition |
