LIFE 103 EXAM 1 CSU CERTIFICATION
EVALUATION 2026 SOLVED QUESTIONS
AND SOLUTIONS GRADED A+
⩥ Spectrophotometer. Answer: A device that passes light through a
substance in order to assess the absorption and transmittance.
⩥ Absorbance. Answer: Measurement of the amount of light captured by
the dissolved or suspended material.
⩥ Transmittance. Answer: The fraction of incident light at a specified
wavelength that passes through a sample.
⩥ investigated. Answer: The questions that are asked in science should
be able to be _______.
⩥ Hypothesis. Answer: A prediction for why something is the way that it
is, or why something occurs. Should be testable and falsifiable (able to
be disproved).
⩥ Theory. Answer: A _____ is a well confirmed
answer/prediction/explanation of nature that is supported by large body
of evidence.
, ⩥ Observation. Answer: The act of watching something in order to gain
information. It is completed before making a hypothesis.
⩥ Experiment. Answer: An orderly procedure carried out with the goal
of verifying, refuting or establishing validity of a hypothesis.
⩥ Control. Answer: A group that is separated from the rest of the
experiment where the variable being tested cannot effect it.
⩥ Variable. Answer: Any factor that can be controlled, changed or
measured in an experiment.
⩥ Life. Answer: _____ distinguishes organisms from inorganic objects
and dead organisms, being manifested by growth through metabolism,
reproduction and the power of adaptation.
⩥ Life. Answer: The following are characteristics for what?
-organized
-require energy
-grow and develop
-respond to environment
-can reproduce
-adapt to environment
EVALUATION 2026 SOLVED QUESTIONS
AND SOLUTIONS GRADED A+
⩥ Spectrophotometer. Answer: A device that passes light through a
substance in order to assess the absorption and transmittance.
⩥ Absorbance. Answer: Measurement of the amount of light captured by
the dissolved or suspended material.
⩥ Transmittance. Answer: The fraction of incident light at a specified
wavelength that passes through a sample.
⩥ investigated. Answer: The questions that are asked in science should
be able to be _______.
⩥ Hypothesis. Answer: A prediction for why something is the way that it
is, or why something occurs. Should be testable and falsifiable (able to
be disproved).
⩥ Theory. Answer: A _____ is a well confirmed
answer/prediction/explanation of nature that is supported by large body
of evidence.
, ⩥ Observation. Answer: The act of watching something in order to gain
information. It is completed before making a hypothesis.
⩥ Experiment. Answer: An orderly procedure carried out with the goal
of verifying, refuting or establishing validity of a hypothesis.
⩥ Control. Answer: A group that is separated from the rest of the
experiment where the variable being tested cannot effect it.
⩥ Variable. Answer: Any factor that can be controlled, changed or
measured in an experiment.
⩥ Life. Answer: _____ distinguishes organisms from inorganic objects
and dead organisms, being manifested by growth through metabolism,
reproduction and the power of adaptation.
⩥ Life. Answer: The following are characteristics for what?
-organized
-require energy
-grow and develop
-respond to environment
-can reproduce
-adapt to environment
