Download - S&S 3.1 Bubble Blowing Fungi Designing your own Investigation GLEs 1.2.1; 1.2.3; 2.1.2; 2.1.3; 2.1.5
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S&S 3.1Bubble Blowing Fungi
Designing your own Investigation
GLEs 1.2.1; 1.2.3; 2.1.2; 2.1.3; 2.1.5
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VOCABULARY
ENERGY - the capacity for movement or the ability to cause movement
HEAT- energy transferred between substances of different temperatures
TEMPERATURE - a measure of the average kinetic energy of the molecules of a substance
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VOCABULARY
Yeast - a single-celled fungi that obtains energy to live and reproduce by digesting sugar
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Fermentation - the process of digesting sugar and producing CO2
Sucrose + Water Ethanol + Carbon dioxide + Energy
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VOCAB cont.
Qualitative Data - general observations that can be best described using words or drawings
Quantitative Data - consists of numerical values for quantities being measured
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INVESTIGATIVE/TESTABLE QUESTION
What is the effect of temperature on
[manipulated variable]
yeast growth?
[responding variable]
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HYPOTHESIS
If_______________________________
then____________________________,
because__________________________
_________________________________
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PROCEDURE
• Work with 1 other person at your Table to design an Investigation to answer the Investigative/Testable Question.
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HINTS…
The more active the Yeast, the more CO2 produced.
The production of CO2 results in the formation of a layer of foam on top of the yeast solution.
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HINTS…
Some variables to consider:
Temperature(s) used
Amount of sugar used
Length of time allowed for yeast fermentation
Method used to measure activity level of yeast
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Procedure cont.
• Write the procedures for your Investigation. They must be specific and detailed.
• Review your procedure with your teacher.