Transcript Chapter 1
Chapter 1 Review
“Introduction to Chemistry”
Chapter 1 Review
What
jellyfish gene did scientists
transfer to a potato?
One characteristic of a scientific
theory is that it can never be ____.
Chemists who work in the
biotechnology field are most likely to
work with: a) geologists, or
b) physicians
Chapter 1 Review
How
can making an estimate help
you evaluate an answer?
When can a hypothesis become a
theory?
The variable that is observed during
an experiment is called the _____.
How do conceptual problems differ
from numeric problems?
Chapter 1 Review
What
plant is a source of biodiesel?
Collaboration and communication are
important in science because…
A chemical that is produced by bats
is used for what purpose in humans?
What area of chemistry studies
chemicals that generally do not
contain carbon?
Chapter 1 Review
Which
of the following would a
chemist be most likely to study:
a) a leaf floating on water, or b) a leaf
changing color in autumn?
Which of the following is NOT an
example of chemistry research in the
main area of energy?
a) producing hook-and-loop tape, or
b) developing rechargeable batteries?
Chapter 1 Review
An
analytical chemist is most likely
to: a) explain why paint is stirred
before it is used, or b) identify the
type of paint chips found at the
scene of a hit-and-run accident?
What area of chemistry is the study
of processes that take place in
organisms: a) physical chemistry,
or b) biochemistry
Chapter 1 Review
What
material found in nature does
nylon resemble: a) leaves, or b) silk?
Which of the following statements is
false: a) knowledge of chemistry
allows the public to make informed
decisions, or b) studying chemistry
ensures that officials make correct
choices in funding technology?
Chapter 1 Review
Which
step in the scientific method
requires you to use your senses to
obtain information?
What was a major contribution to
chemistry by Antoine Lavoisier?
Which field of science studies the
composition and structure of
matter?
Chapter 1 Review
A
_____ is a material found in air,
water, or soil that is harmful to
humans or other organisms.
In which step of problem solving do
you make a plan for “getting from
what is known to what is unknown”?
The study of chemicals that, in
general, do contain carbon is
traditionally called _____ chemistry.
Chapter 1 Review
The
step that usually comes LAST
in solving numeric problems is ___.
Which of the following is an example
of current research focus in
chemistry: a) studying coal
combustion as an energy source, or
b) applying gene therapy to treat
certain diseases?
Chapter 1 Review
Which of these steps should always be
followed for effective problem solving: a)
performing metric conversions, or b)
developing a plan and then implementing
the plan?
Which of the following best describes an
example of pure chemistry:
a) developing a cure for osteoporosis, or
b) studying chemicals containing carbon?
Chapter 1 Review
Which
of the following can be
observed only in a microscopic
view: a) x-ray of a knee joint, or
b) structure of a muscle cell?
What long-standing debate did
Lavoisier help settle?
A theory is a _____.
The next questions are True/False.
Chapter 1 Review
Antoine
Lavoisier help to transform
chemistry from a science of
observation to the science of
measurement that it is today.
Theories summarize the results of
many observations and experiments.
A person who succeeds in chemistry
does not need to be a good problem
solver.
Chapter 1 Review
Experiments
are used to test
hypothesis.
Scientists are looking for safer, more
effective ways to protect crops.
All information on an Internet site is
reviewed by qualified scientists.
Scientists are always looking for new
sources of energy.
Chapter 1 Review
A
hypothesis may be rejected after
an experiment.
In a mortar and pestle, the mortar
has a bowl-shaped appearance.
Ideally, chemicals used to attack
insect pests should be nonspecific.
All Internet sites that provide
scientific information are equally
reliable.
Chapter 1 Review
The
supply of fossil fuels is limited.
Theories help you make mental
models of objects that cannot be
seen.
Effective problem solving involves
developing a plan, and then
implementing that plan.
The next questions are short
answer.
Chapter 1 Review
How
many steps are involved in
solving numeric problems?
How many traditional areas of study
is chemistry divided into?
In what year was the use of lead
paint in houses banned?
In what year was the patent
obtained for hook-and-loop tape?
Chapter 1 Review
In
what year did the FDA ban weight
loss products based on the herb
ephedra?