List of Words for Letter 'A'
Click on 
to hear the word and definition
-
abiotic factor
a nonliving part of the ecosystem
-
abrasion
the peeling or scraping away of an outer layer
-
accommodation
an individual organism's response to a change in the ecosystem
-
active volcano
a volcano that still erupts from time to time
-
adaptation
a special trait that helps an organism survive in its environment
-
algae
a plant-like producer in a water environment
-
alternating current
electrical current that flows through a circuit, first in one direction, then in the opposite direction
-
amoeba
a type of protist that acts like an animal in some ways
-
analyze data
to use information that has been gathered to answer a question or solve a problem
-
anthracite
a hard, natural type of coal
-
attract
to pull or draw towards
-
axis
a real or imaginary line through the center of a rotating object