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