Cecilia Bui
Quiz von , erstellt am more than 1 year ago

10th grade Chemistry Quiz am Ch. 1 Test, erstellt von Cecilia Bui am 10/01/2017.

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Cecilia Bui
Erstellt von Cecilia Bui vor fast 8 Jahre
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Ch. 1 Test

Frage 1 von 17

1

- the study of the processes that take place in organisms

Wählen Sie unten die Option aus, um den hervorgehobenen Text zu vervollständigen

    biochemistry
    organic chemistry
    inorganic chemistry
    physical chemistry
    analytical chemistry

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Frage 2 von 17

1

- concerned with the mechanism, rate, and energy transfer that occurs when matter undergoes a change

Wählen Sie unten die Option aus, um den hervorgehobenen Text zu vervollständigen

    physical chemistry
    analytical chemistry
    biochemistry
    organic chemistry

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Frage 3 von 17

1

- the study of the composition of matter

Wählen Sie unten die Option aus, um den hervorgehobenen Text zu vervollständigen

    analytical chemistry
    physical chemistry
    biochemistry
    organic chemistry

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Frage 4 von 17

1

Which field of science studies the composition and structure of matter?

Wähle eine der folgenden:

  • physics

  • biology

  • chemistry

  • geology

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Frage 5 von 17

1

The study of chemicals that, in general, do not contain carbon is traditionally called what type of chemistry?

Wähle eine der folgenden:

  • bio

  • inorganic

  • physical

  • analytical

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Frage 6 von 17

1

Which of the following would a chemist be most likely to study?

Wähle eine der folgenden:

  • a leaf floating on water

  • a leaf changing color in autumn

  • a leaf being blown by the wind

  • a leaf sinking in water

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Frage 7 von 17

1

Which of the following statements is false?

Wähle eine der folgenden:

  • Knowledge of chemistry allows the public to make informed decisions.

  • Studying chemistry ensures that officials make correct choices in funding technology.

  • Knowledge of chemistry helps prepare people for careers in soil science.

  • Chemistry explains many aspects of nature.

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Frage 8 von 17

1

After developing a plan, effective problem solving always involves doing what with that plan?

Wähle eine der folgenden:

  • evaluating it

  • implementing it

  • analyzing it

  • doing calculations

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Frage 9 von 17

1

A central concept of the kinetic theory, one of the "big ideas" of chemistry, is the belief that

Wähle eine der folgenden:

  • for every reaction there is an equal and opposite reaction.

  • chemical reactions involve processes in which reactants produce products.

  • the particles in matter are in a state of constant motion.

  • every chemical process uses or produces energy, often in the form of heat.

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Frage 10 von 17

1

Which of the following was a major contribution to chemistry by Antoine Lavoisier?

Wähle eine der folgenden:

  • He showed that oxygen is required for material to burn.

  • He demonstrated the presence of phlogiston in air.

  • He encouraged scientists to form explanations based on philosophical arguments.

  • He developed the science of alchemy.

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Frage 11 von 17

1

In a chemical reaction, the type of products obtained is largely determined by which part of the reacting chemicals?

Wähle eine der folgenden:

  • protons

  • electrons

  • neutrons

  • nuclei

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Frage 12 von 17

1

A theory is a ___.

Wähle eine der folgenden:

  • proposed explanation for an observation

  • well-tested explanation for a broad set of observations.

  • summary of the results of many observations

  • procedure used to test a proposed explanation

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Frage 13 von 17

1

The variable that is observed during an experiment is called what type of variable?

Wähle eine der folgenden:

  • independent

  • manipulated

  • controlling

  • responding

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Frage 14 von 17

1

Collaboration and communication are very important in a science because __.

Wähle eine der folgenden:

  • most research problems are not very complex.

  • most scientists have the knowledge to solve any scientific problem.

  • they increase the likelihood of a successful outcome.

  • they keep scientists from having to repeat experiments.

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Frage 15 von 17

1

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

Wähle eine der folgenden:

  • buying a larger quantity of material than estimated

  • performing metric conversions

  • developing a plan and then implementing the plan

  • using a trial-and-error approach then evaluating

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Frage 16 von 17

1

The step that usually comes last in solving numeric problems is __.

Wähle eine der folgenden:

  • calculate

  • measure

  • evaluate

  • analyze

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Frage 17 von 17

1

How do conceptual problems differ from numeric problems?

Wähle eine der folgenden:

  • Solutions to conceptual problems involve analysis, while numeric solutions do not.

  • Logic is not usually involved in solving numeric problems.

  • A plan is necessary to solve numeric problems, but is not necessary for conceptual problems.

  • Solutions to conceptual problems normally do not involve calculations.

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