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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

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