2nd Grade Cards - Science

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