2024 REDO Part 1 Pre-lab/ P and CR Algae beads Lab CFU

Flashcard
•
Science
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the main question being tested in the algae bead experiment?
Back
The main question is: How does Algae exposure to light impact the pH of the CO2 indicator solution?
2.
FLASHCARD QUESTION
Front
What is an experimental group in an experiment?
Back
An experimental group is a set of subjects that are exposed to the variable being tested, in this case, algae in the indicator solution placed in the light.
3.
FLASHCARD QUESTION
Front
What is the control group in the algae bead experiment?
Back
The control group would be algae in the indicator solution placed in the dark, as it does not receive the experimental treatment of light.
4.
FLASHCARD QUESTION
Front
Define pH in the context of the CO2 indicator solution.
Back
pH is a measure of how acidic or basic a solution is, which can change based on the presence of CO2 and the activity of algae.
5.
FLASHCARD QUESTION
Front
What role does light play in the algae bead experiment?
Back
Light is a crucial factor as it influences the photosynthesis process in algae, which can affect the pH of the solution.
6.
FLASHCARD QUESTION
Front
What is photosynthesis?
Back
Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.
7.
FLASHCARD QUESTION
Front
How does increased CO2 affect pH levels in a solution?
Back
Increased CO2 levels typically lower the pH, making the solution more acidic.
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