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Physical Science 1B CCA 2021-22
Test Description: 1B Review
Instructions: Answer all questions to get your test result.
1) This is a workable explanation or description of a phenomenon
A
hypothesis
B
experiment
C
experiment
D
model
2) A model may be physical, conceptual, or what?
A
implied
B
electronic
C
living
D
mathematical
3) This is the best idea we have to explain a set of observations.
A
investigation
B
theory
C
law
D
hypothesis
4) This is a model that describes phenomena under certain conditions
A
theory
B
research
C
investigation
D
law
5) If a model has this we say it helps the scientist explain and communicate observations.
A
guarantees
B
potential
C
workability
D
promise
6) If a model works well and makes accurate predictions, then scientists will ______ it.
A
retain
B
augment
C
change
D
discard
7) This is an ongoing, orderly, cyclical approach used to investigate the world.
A
data analysis
B
scientific inquiry
C
dependent variable measuring
D
potential conclusions
8) When a scientist uses his senses, a scientist collects information about the world we call this what?
A
judgement based on data
B
observation
C
experimental design
D
problem solution
9) This provide the purpose for doing science, and focuses the investigation
A
drawing conclusions
B
posing questions
C
gathering data
D
measuring the dependent variable
10) This determines what is already known about the topic.
A
conclusions
B
research
C
judgement based on data
D
data analysis
11) This is a a testable possible explanation of scientific observation.
A
conclusion
B
hypothesis
C
experiment
D
observation
12) In a controlled experiment, the scientist changes one variable (the independent variable) and observes the changes in a second (_______) variable.
A
algebraic
B
associative
C
dependent
D
independent
13) This is gathered data from an experiment the scientist checks for patterns.
A
hypothesis
B
experiment
C
analysis
D
investigation
14) This is the technique of allowing other scientists to investigate your findings (peer review) before publishing results.
A
research
B
observation
C
communication
D
posing questions
*select an answer for all questions
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