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