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Science review

Grade 8

QuestionAnswer
Observation act of noticing and recording events for study using the 5 senses
Quantitative observations that use numbers
Qualitative observations that are descriptive
inference interpretation based on observation
classification to organize objects, ideas, and information to make it more meaningful or useful
prediction the use of knowledge to identify and explain observations, or changes in advance
measurement a comparison with a known standard which has the same meaning to everyone
US Customary measure system of measure used in the US that uses inches, feet, yards, pounds and fluid ounces for unit
Metric system international decimal system for measure that uses meters, liters, and grams for units
Metric prefixes based on powers of 10
length extent of something from end to end
mass amount of matter in an object
weight the force that gravity exerts on a body
volume amount of space an object occupies
displacement the volume of liquid that is displaced when an object is submerged
temperature degree or intensity of heat present in a substance or object
air pressure force exerted by air
ruler instrument used to measure length
electronic balance instrument used to measure mass; grams
scale instrument used to measure pounds
graduated cylinder instrument used to measure volume; milliliters
thermometer instrument used to measure temperature; Celsius
barometer instrument used to measure air pressure; millibars
Created by: tjackat
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