10-28-13 Do Now
Turn in your complete Plant Gizmo
 Is it Really Double?
 Key Question: What are all the steps you
would take to experiment after making
an initial observation.
 Initial Thoughts:
http://www.youtube.com/watch?v=eA86dYxrg4Q
Evidence: Oreo Cookie Lab
 Testable Q: Are Double Stuff Oreos really double?
 Hypothesis: Use the If, then, because format
 Manipulated Variable:
 Responding Variable:
 Control Variables:
 Control Group:
Materials:
 Regular oreos
 Double stuff oreos
 Scraping stick
 Paper towels
 Triple beam balance
Procedures:
Write down a procedures, step by step. You must have
at least 5 steps.
Step 1:
Step 2:
Step 3:
Step 4:
Step 5:
Do Now: Open your journals to
your procedures and data table
Results:
Create a Data Table:
Mass of filling in grams (g)
Trial #
Regular (g)
1
2
3
Average
Qualitative Observations:
Double Stuff (g)
Create a graph of your results
Avg. Filling Mass of Oreo (g)
12
10
8
6
4
2
0
Regular
Double Stuff
Analysis
1.
If double stuff oreos were really double, what would
their mass be based on your average weight of regular
oreos?
2. Are double stuff oreos really double? (cite your data)
3. Why is it important to follow the scientific method?
Summary/Conclusion –
in Paragraph format:
 Restate your hypothesis; Was it supported (correct) or




not supported (different than expected)?
My evidence shows me that…(cite data!!!)
I think that this means…
Some problems we had…
What I would do next time…
Reflection
 Write a letter to Kroger about their double stuff oreos.
Big Idea
10-29-13 Do Now
Open your journals to the
procedures section
I will be checking each group’s
before you begin the oreo lab