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Chapter 1 - Chemistry Honors > Chapter 1 - Chemistry Honors > Flashcards

Chapter 1 - Chemistry Honors Flashcards

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1
Q

scientific method

A

A systematic approach used in all scientific study

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2
Q

matter

A

Anything that takes up space and has mass

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3
Q

ozone

A

A chemical that protects organisms from UV radiation

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4
Q

chemical

A

Any substance with a definite composition

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5
Q

model

A

A visual, verbal, or mathematical explanation of how things occur

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6
Q

chemistry

A

The study of matter and the changes it undergoes

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7
Q

observation

A

The act of gathering information

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8
Q

conclusion

A

A judgement based on the information obtained during an experiment

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9
Q

technology

A

The practical use of scientific research

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10
Q

chlorofluorocarbon

A

A chemical made up of chlorine, fluorine, and carbon

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11
Q

Qualitative data

A

The certain quality of a substance for example, colour.

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12
Q

Quantitative data

A

Made by measurement that involves a number for example, length, mass, volume, etc.

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13
Q

Hypothesis

A

An idea as to why something happens without evidence

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14
Q

Theory

A

Explains why nature behaves the way it does

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15
Q

Independent variable

A

the variable changed or controlled by the experiment, x axis

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16
Q

Dependent Variable

A

Value depends on value of independent variable, y axis

17
Q
  1. Which of the following is NOT matter?

a. atoms b. ultraviolet radiation c. air d. the Sun

A

b. ultraviolet radiation

18
Q
  1. At the end of an experiment, the scientist forms a conclusion based on the
    a. variable. b. scientific law. c. data obtained. d. control.
A

c. data obtained.

19
Q
  1. Which of the following is a set of controlled observations that tests a hypothesis?
    a. mass b. experiment c. weight d. constant
A

b. experiment

20
Q
  1. The branch of chemistry that focuses on carbon-containing chemicals is called
    a. analytical chemistry. b. inorganic chemistry. c. biochemistry. d. organic chemistry.
A

d. organic chemistry.

21
Q

Pure research

A

Comes up with theories as to how nature works

22
Q

Applied Research

A

Use theory to make a product

Chapter 1 - Chemistry Honors (1 decks)

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