1. Scientific method notes
• Scientific method- A series of steps followed to solve problems. (3)
• The steps
followed in the same order.
• What are the steps in the scientific method?
o
o
o
o
o
o
• Ask a question-
o Scientists often ask questions after
o Observation- The process of obtaining information by using the
senses.(4)
• Hypothesis-
o Hypothesis- An idea or explanation that is based on prior
scientific research or observation and that can be tested.(5)
o Sometimes called an
o Usually stated as an sentence.
o Give an example of a hypothesis for the following question.
What is the effect of the angle of a ramp on the distance a
marble will roll?
• Test the hypothesis-
o Scientists test the hypothesis by
o Data- Any pieces of information gathered through observation
or experimentation.(6)
o Sometimes a controlled experiment is used.
o Controlled experiments test

2. o The one factor that is changed is called the
o The variable is the variable
that the scientist purposely changes.
o The variable is the variable
that changes as a result of the manipulated variable.
o It is the variable that you measure.
o What is the manipulated variable in the marble experiment?
o What is the responding variable in the marble experiment?
o Sometimes scientists test without an experiment by
• Analyze the results-
o To analyze results scientists often use and
• Draw a conclusion-
o Decide whether the data supports the or
not.
o If it does not support the hypothesis scientists may
to
check for mistakes or
and form a new
• Communicate results-
o Scientists share results by or
o Science depends on
o It allows others to repeat the experiment.

3. o and
of experimental results keeps a scientists