List 1 for 2nd Grade SCIENCE

Elementary School Words: List 1 for 2nd Grade SCIENCE, all words and explanations of the list are in one page. You can download and print the worksheet from your browser directly.
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 Worksheet - Elementary School Words: List 1 for 2nd Grade SCIENCE

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Elementary School Words: List 1 for 2nd Grade SCIENCE
aging
the organic process of growing older and showing the effects of increasing age
air pressure
the pressure exerted by the atmosphere
condensation
compression; the process of changing from a gaseous to a liquid or solid state
evaporation
process of extracting moisture
frequency
the number of occurrences within a given time period
insect
small air-breathing arthropod
instrument
tool; one used by another to accomplish a purpose; device used to produce music; legal document
life cycle
the series of changes in the life of an organism, including reproduction
matter
something that has mass and occupies space
metamorphosis
marked change in appearance, character, condition, or function; major transformation
molecule
the smallest particle of substance, having all the properties of that substance
pitch
action or manner of throwing something
reproduce
have offspring or young; duplicate; make a copy
sound
sensation perceived by the ear; distinctive noise
vibrate
shake, quiver; move or swing from side to side regularly
vocal cord
either of two pairs of folds of mucous membrane projecting into the larynx
volume
capacity; amount of space occupied by an object
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