Elementary Academic Words

Words for students from kindergarten to grade 8, each grade has 4 lists: art, math, science, and social. They are essential vocabulary for elementary academic classes.

Grade 5: Word List - Science

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