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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 careful plans for determining the accuracy of an observation
B
make accurate measurements of the dimensions of an object
C
alter the properties of objects being studied
D
organize observations in a meaningful way
2) The grouping of objects or events based on similar characteristics is called
A
measurement
B
observation
C
classification
D
interpretation
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
instruments to observe properties of objects
D
the human senses 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
inferences
C
observations
D
interpretations
6) The primary purpose of a classification system is to enable people to
A
extend their powers of observation
B
eliminate inaccurate inferences
C
make measurements that are very accurate
D
organize observations in a meaningful way
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
Snowfall predictions for winter storms vary.
D
Stars are grouped according to their color.
8) A student is asked to classify several rocks. For best results, the classification should be based on
A
inferences
B
hypotheses
C
observations
D
interpretations
9) Which procedure is an example of classifying observed data?
A
graphing temperature versus time for a particular date
B
photographing the cloud cover for a location throughout 1 week
C
grouping stars by brightness
D
measuring the angle of Polaris from two different locations
10) Which property is used to classify the land-derived sedimentary rocks?
A
particle size
B
mineral composition
C
fossil content
D
color
*select an answer for all questions
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