Exam review NOS Flashcards
the process of obtaining info by using the senses
observation
a well-tested explanation for a wide range of observations or experiment results
scientific theory
a statement that describes what scientists expect to happen every time under a particular state of conditions
scientific law
the experimental factor that’s changed by the investigator
independent variable
the experimental factor that’s being measured
dependent variable
the group in an experiment where the independent variable being tested isn’t applied so that it may serve as a standard for a comparison against the experimental group where the IV is being applied
control group
a possible explanation about an observation that can be tested by scientific investigators
hypothesis
list the steps of the scientific method
state the problem/question, research, form a hypothesis, test your hypothesis, gather data, record data, analyze results, draw conclusions, communicate results
develop a clear statement defining the problem
state the problem
write down all information you already know
research
an educated guess and an If…Then…Statement
hypothesis
design an experiment to test your hypothesis
test your hypothesis
make observations
gather data
(the process) data that can’t be expressed as numbers and data that can’t be expressed as numbers
record data
create graphs from collected data
analyze results
