Student: Turki AlhinaaiPhases Complete
6 of 6 phases.
Phase Resets
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Popup Questions
Why does the procedure ask you to dispose of the pipette with each solution?
Incorrect Attempts: 0
Why is distilled water used in this experiment?
Incorrect Attempts: 3
My Prediction:
Sucrose > fructose > glucose > starch > water
My Strategy:
To determine the rate of fermentation, I will measure the height of the CO 2 bubble produced.
My Method:
Yeast and one sugar in each test tube plus a distilled water control.
My Conclusion:
Based on your data, which of the following shows the correct order from most to least
amount of fermentation in 20 minutes?
Glucose > fructose > sucrose > starch > water
Collected Lab Data
Tube 1
(Fructose)
Tube 2
(Glucose)
Tube 3
(Sucrose)
Time
CO 2 Bubble Height
(min)
(mm)
Tube 4
(Starch)
Tube 5
(Water)
0
4
4
4
4
4
20
55
67
42
20
4
51
63
38
16
0
Net Height Change
(mm)
Saved Graphs
Net Height Change (mm)
Graph 1
80
60
40
20
0
Fructose
Glucose
Sucrose
Starch
Samples
Change in Carbon Dioxide Levels from Sugar Fermentation over 20 Minutes
Water
Final Lab project: Yeast Cellular Respiration (Outline)
I.
Slide 1 (Title and Name)
II.
Slide 2 (Introduction)
A. Introduction of lab project
B. Introduction of 8 steps of scientific process
III.
Slide 3-11 (Steps of Scientific Process)
A. Observation
1. Yeast requires warm water and sugar to ferment.
2. The amount of carbon dioxide released depends on the level of sugar used
as a source of energy.
B. Ask a question
1. Can Yeast ferment without moisture?
What would be the outcome if I incorporated other types of sugars, such as
lactose?
C. Finding background research
1. The utilization of lactose by Yeast as a source of energy.
2. Additional sources of energy for Yeast besides sugar.
3. Activation of Yeast in an experiment where there is the absence of
moisture
D. Formulation of hypothesis
1. Yeast has the capability of fermenting lactose.
2. Yeast will not be triggered in the absence of warm water
E. Design a Study (2 slides, 7 and 8)
1. Procedure
2. Materials and Equipment
3. Data Collection Method
4. Variables and Controls
5. Potential Pitfalls
F. Collect Data
1. Measurement of the carbon dioxide preparation.
2. Graph.
G. Analyze Data
H. Present results
IV.
Slide 11 (Conclusion)
V.
Slide 12 (Reference)
Criteria
Script
Quality
Script
Format
References
and
Citations
Poor
0 points
Incomplete or none.
Incomplete or none.
More than two are
wrong.
Good
5 points
Only one of the following is successfully
incorporated. A script is prepared and
written in a way that it can be used as
the narration for a PowerPoint
presentation. Writing contains complete
thoughts and is developed appropriately
through use of paragraphs and
sentences. Professional language and
grammar are used correctly throughout.
Headings are used throughout the script
to connect reader to outline that was
submitted previously. Headings include
slide number and title of the slide (many
are steps of the scientific process). 1
complete single-spaced page, 1″
margins, 12 point font as a minimum.
Two things are wrong for references
and/or citations.
Great
8 points
Two of the following are successfully
incorporated. A script is prepared and
written in a way that it can be used as
the narration for a PowerPoint
presentation. Writing contains complete
thoughts and is developed appropriately
through use of paragraphs and
sentences. Professional language and
grammar are used correctly throughout.
Headings are used throughout the script
to connect reader to outline that was
submitted previously. Headings include
slide number and title of the slide (many
are steps of the scientific process). 2
complete single-spaced pages, 1 ”
margins, 12 point font as a minimum.
One thing is wrong for references and/or
citations.
Excellent
10 points
A script is prepared and written in a
way that it can be used as the
narration for a PowerPoint
presentation. Writing contains
complete thoughts and is developed
appropriately through use of
paragraphs and sentences.
Professional language and grammar
are used correctly throughout.
Headings are used throughout the
script to connect reader to outline
that was submitted previously.
Headings include slide number and
title of the slide (many are steps of
the scientific process). 3 complete
single-spaced pages, 1 ” margins, 12
point font as a minimum.
All references and citaitons are
correctly provided in APA format.
Criterion
Score
/ 10
/ 10
/ 10
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Formatting
Title Page
Citation
Outline
