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21 terms

Chapter One Test Review

on notes and vocabulary (not worksheets)
STUDY
PLAY
constant
variable that stays the same during an experiment
control
sample that is treated like other experimental groups except that the independent variable is not applied to it.
dependent variable
factor that is being measured during an experiment
descriptive research
answers scientific questions through observation
experimental research design
used to answer scientific questions by testing a hypothesis through the use of a series of carefully , controlled steps.
hypothesis
prediction or statement that can be tested and may be formed by prior knowledge, any previous observations, and new information
independent variable
variable that the experimenter changes during an experiment
information technology
has led to the globalization of information
model
represents something that is too big, too small, too dangerous, too time consuming or too expensive to observe directly
science
process used to investigate what is happening around us in order to solve problems or answer question; part of everyday life
scientific method
ways to solve problems that can include step by step plans, making models and carefully thinking out experiments
technology
application of science to make useful products and tools, such as computers
the steps of the scientific method (in order)
problem statement/question
research/observation
hypothesis
experiment
collect and analyze results
conclusion/application
communicate results
problem/question
develop a question that can be solved through experimentation
observation/research
make these your topic of interest . Internet, media and primary sources
hypothesis
predict a possible answer to said question. must be educated. about the relationship between the variable
experiment
includes detailed material and procedured list
collecting and analyzing results
confirms tests by trials and include tables graphs or photos
conclusion
include a statement tat accepts or rejects hypothesis. make recommendations for further study and possible improvements
application
how you can use what you've learned in the real world
communicate
be prepared to present the results to an audience