How do conceptual problems differ from numeric problems?

Conceptual problems normally do not involve calculations.

Which of the following is FALSE?

Officials make correct choices in funding technology.

well-tested explanation for a broad set of observations

Which of these steps should always be followed for effective problem solving?

developing a plan and then implementing the plan

Collaboration and communication are important in science because

they increase the likelihood of a successful outcome

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Chapter 1: Introduction to Chemistry

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Questions 15

Answers

1
How many traditional areas of study can chemistry be divided into?
5
3
4
1
2
Which step in the scientific method requires you to use your senses to obtain information?
revising a hypothesis
making an observation
designing an experiment
stating a theory
3
The study of chemicals that do not contain carbon
physical chemistry
inorganic chemistry
biochemistry
organic chemistry
4
How do conceptual problems differ from numeric problems?
Logic is not usually involved in solving numeric problems.
Numeric solutions do not involve analysis.
A plan is not necessary for conceptual problems.
Conceptual problems normally do not involve calculations.
5
Which of the following can be observed only in a microscopic view?
foam insulation
x-ray of a knee joint
structure of a muscle cell
shape of a soybean plant
6
Who showed that oxygen was a major contribution to chemistry?
Albert Einstein
Issac Newton
Antoine Lavoisier
Sir Douglas Crown
7
Which field of science studies the composition and structure of matter?
biology
chemistry
physics
geology
8
The step that usually comes last in solving numeric problems is
evaluate
measure
calculate
analyze
9
The variable that is observed during an experiment is called what type of variable?
independent
controlling
responding/dependent
manipulated
10
Which of the following is FALSE?
Chemistry explains many aspects of nature.
Chemistry helps prepare people for careers.
Officials make correct choices in funding technology.
Chemistry allows the public to make informed decisions.
11
How many steps are involved in solving numeric problems?
1
3
5
4
12
A theory is a
well-tested explanation for a broad set of observations
proposed explanation for an observation
procedure used to test a proposed explanation
summary of the results of many observations
13
Which of these steps should always be followed for effective problem solving?
buying a larger quantity of material than estimated
using a trial-and-error approach and then evaluating
performing metric conversions
developing a plan and then implementing the plan
14
One characteristic of a scientific theory is that
it can be proven
it cannot be modified
it can't be proven
15
Collaboration and communication are important in science because
most scientists have the knowledge to solve any problem
they increase the likelihood of a successful outcome
they keep scientists from having to repeat the experiments
most research problems are not very complex

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