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scienceA2

exam

QuestionAnswer
variable anything that can change in an experiment
Science a system of knowledge based on facts or principles.
technology the application of science to meet human needs
scientific theory a tested, possible explanation of a natural event
scientific law a summary of an observed natural event
critical thinking applying logic and reason to observations and conclusions
scientific method a series of logical steps to fllow in order to solve problems
length the straight-line distance between any two points
mass a measure of the quantity of matter in an oboject
volume a measure of space such as the capacity of a container
weight the force with which gravity pulls on a quantity of matter
scientific notation a value written as a simple number multiplied by a power of 10
precision the degree of exactness of a measurement
significant figures the digit in a measurement that are known with certainity
accurancy the extent to which a measurement approaches the true value
Created by: carah
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