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science test

STUDY
PLAY
control
an untreated part of experiment used for of comparison with results
hypothesis
a predicted or expected outcome in an experiment
manipulated variable
a factor that the scientist changes in an experiment
procedure
describes the steps of an experiment
qualitative observation
describes a quality or characteristic of something using only words
quantitative observation
describes how much or how many of something using numbers and words
inferring
explaining or interpreting an observation
classifying
grouping together items that are alike in some way
observing
using 1 or more of your 5 senses to gather info about the world
communicating
sharing ideas and information with other people
making models
making a representation of complete object or process
predicting
making an inference about a future event
variable
any factor that can change in an experiment
responding variable
the factor that changes as a result of the manipulated variable
scientific method
a process used to find answers to questions about the world around us
base unit
one for each quantity (type of measurement) can be used without a prefix
prefix
not required. acts as a multiplier when used. prefixes all have a base 10 value
mass
the amount of matter on an object
volume
the amount of space an object occupies
weight
measures the force of gravity on an object
density
the amount of matter in a given unit of volume