scientific method Flashcards
(20 cards)
observe and state a problem
one
form a hypothesis
two
test the hypothesis
three
record and analyze results
four
form a conclusion
five
repeat the experiment
six
fact
can be observed and/or measured
theory
a confirmed hypothesis
hypothesis
a starting point for a further investigation
conclusion
a statement based on experimental measurements and observations
independent variable
it doesn’t change
dependent variable
what is measured and what is affected
control
the variable is not being tested
constant
factors that don’t change
how many variables can be tested in a controlled experiment?
one
redi’s experiment: independent variable
gauze covering
redi’s experiment: dependent variable
whether maggots appear
redi’s experiment: constant
jars, type of meat, location, temp., time
redi’s experiment: control group
jar 1
redi’s experiment: experimental group
jar 2
