Use the classes of observations to classify the

Use the classes of observations to classify the following
statements in order:
• To form an ion, the chlorine atom gains one electron.
• Gold is malleable.
• A sodium carbonate solution conducts electricity.
• The mass of magnesium burned is 2.0 g.
___ ___ ___
3.
Scientific knowledge can also be classified as
1. empirical 2. theoretical
Use the above classes of knowledge to classify the
following statements:
___
• Molecular compounds form nonconducting aqueous
solutions.
• Ionic compounds dissolve as ions.
• Acids form conducting aqueous solutions.
• Bases dissolve to increase the hydroxide ion
concentration.
___ ___ ___ ___
4. A substance that cannot be decomposed is i definition
for ii .
The above sentence is completed by the information in
which row?
Row i ii
A. an empirical a compound
B. an empirical an element
C. a theoretical a compound
D. a theoretical an element
Chapter 1
5. The purpose of scientific investigations does not include
A. creating a concept
B. verifying a concept
C. using a concept
D. testing a concept
6.
The criterion that is
not
used to evaluate a scientific
concept is its ability to
7.
The relationship of science and technology is best
described as
B. parallel supporting activities
C. science involving more trial and error
D. adversarial (in conflict)
8.
Once the Purpose and Problem have been chosen, identify
in order, the parts of an investigation report that are done
before the work in a laboratory begins.
,
___ ___ ___ ___
9.
Identify , in order, the parts of the investigation report that
are completed during and after the work in a laboratory.
___ ___ ___ ___
10.
The Evaluation of an investigation does
not
involve
A. evaluating the evidence based upon whether the
prediction is verified or falsified
B. evaluating the evidence based upon whether the
design, materials, and procedure are adequate
C. evaluating the prediction by comparing the answer in
the Analysis with the answer in the Prediction
D evaluating the hypothesis by comparing the answer in
the Analysis with the answer in the Prediction
Use this information to answer questions 8 and 9.
The format of a laboratory report reflects the basic pattern of
scientific research. The following sections of a laboratory
report are listed in random order.
1. Analysis 6. Problem
2. Evaluation 7. Procedure
3. Evidence 8. Purpose
4. Design 9. Prediction