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Unit 1 Vocabulary

8th grade Science Unit 1 Vocabulary

TermDefinition
empirical evidence All of the measurements and data that scientists gather
theory An explanation supported by a large amount of evidence regarding something in nature
law A description of a specific relationship under a given condition
qualitative data Data collected using the five senses
quantitative data Data that involves measurements (numbers)
experiment An organized way to study something under controlled conditions
hypothesis A testable idea or explanation that leads to a scientific investigation.
data Information gathered by observations or experimentation. Used to calculate or support the hypothesis
observations A process of gathering information by using the senses
independent variable The factor that I change. It is changed on purpose during the investigation.
dependent variable The factor that changes because the independent variable has changed.
constants Things in an experiment that remain the same no matter what the variables do.
model A representation of an object or process to study
simulation Uses a model to copy the function, behavior or process of the thing it represents
repetition To duplicate an experiment multiple times by the same person
replication To recreate someone else's experiment exactly the same way
pie (circle) graph Used to show data as parts of a whole
bar graph Used to display and compare data in more than one category
line graph Used to show continuous change over time.
Created by: AKovach
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