A QUICK REVIEW OF THE
A lot of you have been asking questions about the
scientiﬁc method. Let me answer them all at once.
Some things I’m about to say may apply directly to
your project, some may not.
Don’t freak out if it doesn’t directly apply to you—I’m
There are two major variables in your experiment:
the dependent and the independent variable.
QUICK WAY TO REMEMBER
Here’s an easy way to think about it.
“How does α affect ß?”
α is you independent variable.
ß is your dependent variable.
This is the set of test items that undergo the various
manipulation of variables.
This is like a second experiment where you do not
include your independent variable.
If you’re testing to see if salt in water makes it boil
faster, then your control is the pot without any salt in
Yes, there is a BrainPOP on science fair projects—
There is also one on the scientiﬁc method, in case
you get confused.
A REVISED PROPOSAL
A revised proposal—based on the research you’ve
done and what we’ve talked about this week, you
should be working on ﬁnalizing exactly what you plan
In writing, explain what you’re doing, how you plan on
doing it, what you’ve done already and what you still
need to do.
This is what you should be working on today:
A revised proposal (see previous).
Finishing up your research—I am going to
expect a full draft on Tuesday. By the end of
today you should have ﬁnished up collecting
facts and be drafting.
Compiling a materials list and planning yout
board. We have less than 10 class periods left.