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Science
California Science
Grade 3
e-Glossary
A
List of Words for Letter 'A'
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to hear the word and definition
absorb
to take in
adaptation
a special trait that helps a living thing survive in its environment
air bladder
a balloonlike structure in plants and animals for holding gases
algae
tiny one-celled organisms that use water, air, and sunlight to make food
amphibian
an animal that spends part of its life in water and part on land
analyze data
to use information that has been gathered to answer a question or solve a problem
arctic tundra
a cold biome above the Arctic Circle
asteroid
a large piece of rock or metal in space
astronaut
a person who travels into space
astrophysicist
someone who studies how objects in the universe interact
atom
the smallest unit of an element that has the properties of that element
axis
a real or imaginary line through the center of a spinning object