Welcome Back!
• Same seats as yesterday
• Turn in your signed syllabus
(due Friday)
• Get out some paper to take notes
• Start thinking about the QOD –
What qualifies as science?
First…
Name the seven
characteristics of life!
Bell Work
• Let’s discuss…
• “Name three times you would
‘do science’ in your daily life.”
What qualifies
as Science?
Science is…
• A method of solving a
problem or investigating a
phenomenon.
Sci Method Review
Bart Simpson believes that mice exposed to
microwaves will become extra strong. He decides to
perform this experiment by placing 10 mice in a
microwave for 10 seconds. He compared these 10
mice to another 10 mice that had not been exposed.
His test consisted of a heavy block of wood that
blocked the mouse food. He found that 8 out of 10 of
the microwaved mice were able to push the block
away. 7 out of 10 of the non-microwaved mice were
able to do the same.
Building your
Lab Report
• Question: Why do the
experiment?
Building your
Lab Report
• Hypothesis: Educated
prediction about the outcome;
“If ___, then ___, because
___.”
• Example: If I put fresh batteries
in the remote then it will work
because batteries must be
replaced regularly.
Building your
Lab Report
• Procedure: What to do in five
sentences or less.
Building your
Lab Report
• Independent Variable: What
am I testing? (If this…)
• Dependent Variable: What
will happen b/c of change? OR
What will I measure? (Then
this…)
Building your
Lab Report
• Control: How will I know the
IV really caused the change?
• Constant: What will I keep the
same the whole time?
Building your
Lab Report
• Results: What happened?
• Quantitative (Numbers) Data:
measurements, counts, etc.
• Qualitative (Qualities) Data:
color, texture, etc.
Building your
Lab Report
• Conclusion: Evaluate
hypothesis. Suggest what to do
next.
Let’s Try it Out
• Thumb Wrestling Lab
• Warning: Pre-test tomorrow!
Homework
• On a separate sheet of paper
to turn in, fill out a lab report
for the Beriberi experiment as
if you were Dr. Eijkman. Due
tomorrow at the beginning of
the block.