Answers2003350 Chemistry HONORS Sem 1 - MarezThe Nature of Chemistry

The Nature of Chemistry Answers

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Which choice below represents a negative impact that chemistry has on society?

A
development of cancer treatment drugs
B
development of Teflon, the nonstick material used in cookware
C
combustion of car engines producing pollutants in the air
D
the development of nuclear power plants used to produce electricity
2
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Which statement best describes pseudoscience?

A
It is objective and backed by facts.
B
It lacks a process for collecting data.
C
It is constantly updated based on new information.
D
It is closely analyzed before it is made known.
3

Which area of science is considered the central science?

A
chemistry
B
biology
C
physics
D
environmental science
4

Consider the statement:“The following report presents the results of our laboratory tests, which support the conclusion that our new treatment for acne is safe and effective with minimal possible side effects.”What questions should a person ask themselves to determine if this scientific study is reliable?

A
What does the acne medicine look like?
B
What does the acne medicine smell like?
C
Were laboratory tests conducted by the same company that produces the acne medicine?
D
Were laboratory tests conducted in a laboratory with more than 100 employees?
5

The diagram shows the relationship between scientific disciplines. The names of some scientific disciplines have been removed from the boxes. Which scientific discipline belongs in the blue box?

Question illustration
A
physics
B
biology
C
chemistry
D
metallurgy
6

Consider the following statement:“The element vanadium is a solid at room temperature, and its density is 6110 kilograms per meter cubed. Its melting point is 1910 degrees Celsius.”Which correctly evaluates the statement?

A
not reliable because opinions are presented
B
reliable because testable facts are presented
C
not reliable because it is very brief
D
reliable because metric units are used
7

A high school class is discussing whether a particular discovery in chemistry has had a positive impact on society. Which question is the most important for the students to answer?

A
How have people and the environment been affected by the discovery?
B
How many scientists were involved in the discovery?
C
When was the discovery made?
D
At which institution was the discovery made?
8

Which branch of chemistry would study how pollution effects marine life?

A
biochemistry
B
physical chemistry
C
materials chemistry
D
environmental chemistry
9

Scientists and nonscientists have both been interested in the moon for a long time. Which is most likely an example of pseudoscience?

A
observation that the moon influences ocean tides
B
belief that the moon influences human behavior
C
calculation of the distance between the earth and the moon
D
measurement of the mass of the moon
10

Which is an example of pseudoscience?

A
use of X-rays to observe the bones of the arm
B
use of DNA analysis to determine paternity
C
use of vaccines to prevent the occurrence of disease
D
use of astrology to predict the personality of a child

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