Science 1121

Front 1

The science that deals with the structure, composition, and properties of matter and the transformations that matter undergoes.

Back 1

Physical Chemistry.

Front 2

The major classification of chemistry in which a researcher's motive is a desire to find a practical application for a chemical discovery.

Back 2

Applied Chemistry.

Front 3

The logical sequence of steps used to solve an analytical problem.

Back 3

The Scientific Method.

Front 4

The major classification of chemistry in which a researcher's motive is a desire for knowledge for the sake of knowledge.

Back 4

Pure Chemistry.

Front 5

A general principle or solution that explains or solves a problem.

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Theory.

Front 6

An investigation based on controlled observations.

Back 6

Experimentation.

Front 7

A possible solution that explains all the known facts.

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Hypothesis.

Front 8

Chemical analysis that deals with the kinds of components.

Back 8

Qualitative.

Front 9

Study of chemical processes and energy.

Back 9

Physical Chemistry.

Front 10

Chemical analysis that deals with amounts and percentages.

Back 10

Quantitative.

Front 11

Study of radioactivity and nuclear reactions.

Back 11

Nuclear Chemistry.

Front 12

Study of materials that contain carbon.

Back 12

Organic chemistry.

Front 13

Study of chemical processes in living organisms.

Back 13

Biochemistry.

Front 14

Investigative analysis.

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Analytical Chemistry.

Front 15

Study of materials that do not contain carbon.

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Inorganic Chemistry.

Front 16

Which brand of chemistry is studied depends on the ____________ of matter being studied and on the method of ____________ the matter.

Back 16

Type ... Examining

Front 17

Using the scientific method, facts relating to a problem are gathered by ____________, ____________, and ____________.

Back 17

Research, Observation, and Experimentation.

Front 18

A theory becomes a ____________ if it is widely established without conflicting evidence.

Back 18

Scientific Law

Front 19

Luminous Intensity:

Back 19

Candela.

Front 20

Time:

Back 20

Second.

Front 21

Mass:

Back 21

Kilograms.

Front 22

Electric Current:

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Ampere.

Front 23

Length:

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Meter.

Front 24

Particles of Matter:

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Mole.

Front 25

Temperature:

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Kelvin Degree.

Front 26

Although a Kelvin degree is equal to a Celsius degree, the Kelvin scale begins at ________________________, or ____________ °C.

Back 26

0°K ... -273.15

Front 27

The three most common derived units used in chemistry are those for ____________, ____________, and ____________.

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Area, Volume, and Density.

Front 28

Units of measurement are always carried throughout ____________ and must be treated like any other ____________ quantity.

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Calculations ... Mathematical.

Front 29

(Your choices are Anaxagoras, Aristotle, Bacon, Berzelius, Boyle, Dalton, Democritus, Empedocles, Geber, Jabir, Lavoisier, Mandeleev, Paracelsus, Thales and van Helmon)

He was the first to describe the preparation of sulfuric acid.

Back 29

Geber.

Front 30

All matter is composed of tiny matter called seeds.

Back 30

Anaxagoras.

Front 31

He was called 'Father of Modern Chemistry'.

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Lavoisier.

Front 32

All matter is made up of tiny, invisible particles called atomos.

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Democritus.

Front 33

He developed modern atomic theory.

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Dalton.

Front 34

He assigned alphabetical symbols to elements.

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Ar

Front 35

The proximity of a measurement to its actual value.

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Accuracy.

Front 36

A pseudoscience.

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Alchemy.

Front 37

A value that changes a measurement from one set of units to another.

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Conversion Factor.

Front 38

The only quantity in the metric system still measured against a physical standard.

Back 38

Mass.

Front 39

Comparing an unknown quantity with a known fixed unit.

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Measurement.

Front 40

The international standard of measurement for science.

Back 40

Metric or SI

Front 41

The degree of reproducibility of an element.

Back 41

Precision.

Front 42

All accurate figures plus one estimated last figure.

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Significant figures.

Front 43

The ratio of the mass of a substance compared to the mass of an equal volume of pure water.

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Specific Gravity.

Front 44

Don't start dating unless you have established ______________ ______________ based on ______________ ______________.

Back 44

Dating Standards ... Biblical Principles

Front 45

Without ______________, we resort to making decisions based on our own untrustworthy emotions.

Back 45

Standards

Front 46

The ______________ were probably the first students of chemistry as an academic subject.

Back 46

Greeks.

Front 47

Aristotle's major shortcoming was that he failed to ________________________________________________________

Back 47

Conduct simple experiments to prove his claims.

Front 48

At the time of Christ's birth, ____________________________ was the cultural, philosophical, and scientific center of the world.

Back 48

Alexandria, Egypt.

Front 49

During the twelfth century, ______________ was the language of the scholars.

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Latin.

Front 50

A chemical ______________ is formed when atoms combine with each other.

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Compound

Front 51

Who is responsible for this idea?

All matter is based on tiny particles called seeds.

Back 51

Anaxagoras.

Front 52

Celestial objects are made of the element, aether.

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Aristotle.

Front 53

Research should be the basis of scientific investigation.

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Bacon.

Front 54

He assigned alphabetical symbols to elements.

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Berzelius.

Front 55

He transformed alchemy into true science of chemistry and developed gas law.

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Boyle.

Front 56

He developed the modern atomic theory.

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Dalton.

Front 57

All matter is made up of tiny, indivisible particles called atomos.

Back 57

Democritus.

Front 58

Everything is composed of the elements- earth, air, water, and fire.

Back 58

Empedocles.

Front 59

He was the first to describe the preparation of sulfuric acid.

Back 59

Geber.

Front 60

While trying to discover a substance that would transmute metals into gold, "he" wrote more than 2,000 books and discovered several chemical compounds.

Back 60

Jabir.

Front 61

'The Father of Modern Chemistry'

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Lavoisier.

Front 62

He designed the periodic table of the Elements.

Back 62

Mendeleev.

Front 63

Minerals are beneficial to the human body.

Back 63

Parcelus.

Front 64

All things are constructed from water.

Back 64

Thales.

Front 65

The vapors given off during chemical reactions are "gases".

Back 65

van Helmont.