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Classification
Test Description: Importance of a classification system within in the sciences.
Instructions: Answer all questions to get your test result.
1) A classification system enables a person to
A
alter the properties of objects being studied
B
organize observations in a meaningful way
C
make accurate measurements of the dimensions of an object
D
make careful plans for determining the accuracy of an observation
2) The grouping of objects or events based on similar characteristics is called
A
interpretation
B
observation
C
measurement
D
classification
3) A classification system is based on the use of
A
inferences to make observations
B
observed properties to group objects with similar characteristics
C
the human senses to observe properties of objects
D
instruments to observe properties of objects
4) Scientists often use classification systems in
A
organize their observations in a meaningful way
B
extend their powers of observation
C
make direct comparisons with standard units of measurement
D
make more accurate interpretations
5) A student classifies several objects. The classification system should be based on
A
hypotheses
B
interpretations
C
observations
D
inferences
6) The primary purpose of a classification system is to enable people to
A
make measurements that are very accurate
B
organize observations in a meaningful way
C
eliminate inaccurate inferences
D
extend their powers of observation
7) Which statement best illustrates a classification system?
A
Stars are grouped according to their color.
B
Ocean depths are measured by using sonar.
C
A glacier melts at the rate of one meter per year.
D
Snowfall predictions for winter storms vary.
8) A student is asked to classify several rocks. For best results, the classification should be based on
A
hypotheses
B
observations
C
interpretations
D
inferences
9) Which procedure is an example of classifying observed data?
A
grouping stars by brightness
B
measuring the angle of Polaris from two different locations
C
graphing temperature versus time for a particular date
D
photographing the cloud cover for a location throughout 1 week
10) Which property is used to classify the land-derived sedimentary rocks?
A
color
B
particle size
C
fossil content
D
mineral composition
*select an answer for all questions
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