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BIO 156 QUIZ 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 QUIZ 2 QUESTIONS AND ANSWERS WITH COMPLETE SOLUTIONS 100% CORRECT | UPDATED 2025
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BIO 156 QUIZ 2 QUESTIONS AND ANSWERSWITH COMPLETE SOLUTIONS 100%
CORRECT | UPDATED 2025
-What is a Meniscus?
-What is the "Meniscus Rule"? - ANSWER -Crescent shape or concave surface
depression in the surface of water
-Read the volume at the bottom of the meniscus
Define "tare" - ANSWER To zero out the balance
Why would you "tare" a digital balance? - ANSWER To zero out the balance if
it's not reading zero
How can the "Tare" technique help to avoid doing math? - ANSWER You can
"tare" the "boat" and "tare" it to not have to weigh it with the object you are
measuring. This will help focus on just the object you are weighing
HOW can you make your RESEARCH QUESTION more clear and precise? -
ANSWER -Define, Describe, Clarify, any unclear words or phrases
-Consult a PEER for PEER COMMUNICATION advice
-ask other researchers
Define "Science" - ANSWER -Is a TOOL used to answer certain questions about
the natural world
, What exactly is a "Hypothesis"? - ANSWER -Is one of many possible answers to
a research question
DESCRIBE two properties of a good/useful hypothesis - ANSWER -Is it VALID:
makes sense
-Is it TESTABLE: can be used to make predictions about the CMW world
What is the definition of a "gram" in the metric system? - ANSWER -A gram is
defined as the weight of one mL of liquid water
What is the approximate weight in one liter bottle of liquid water? - ANSWER -
1L = 1000 mL @ 1 gram per mL = 1000 grams (1 kg)
List one way the METRIC measuring system is better than the English system -
ANSWER -Based on powers of 10
-It was constructed as one complete system in 1790
-It uses a set of standard units and prefixes
How are the metric units of LENGTH and VOLUME related? - ANSWER - 1 cubic
centimeter [cc, cm^3] = 1 mL
- 1 cubic decimeter (1dm^3) = 1 L
What is a micrometer? - ANSWER -a unit of LENGTH measurement in the
metric system equal to 1,000,000th of a meter
(one-millionth, 0.000001, 10^-6)
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