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Untitled Deck Flashcards

(42 cards)

1
Q

Scientific Model Change

A

Adjustments made when new contradictory information arises.

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2
Q

Volume

A

Amount of space occupied by an object.

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3
Q

Mass

A

Quantity of matter in an object.

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4
Q

Density

A

Mass per unit volume, calculated as mass/volume.

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5
Q

Density Calculation

A

Density = mass (kg) / volume (cm³).

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6
Q

Base Metric Unit for Volume

A

Milliliters (ml) or cubic centimeters (cm³).

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7
Q

Base Metric Unit for Temperature

A

Measured in Kelvin (K).

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8
Q

Base Metric Unit for Mass

A

Kilograms (kg) are standard unit.

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9
Q

Base Metric Unit for Time

A

Seconds (sec) are standard unit.

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10
Q

Particle Movement in Solids

A

Particles vibrate in fixed positions, strongly attracted.

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11
Q

Particle Movement in Liquids

A

Particles slide past each other, still in contact.

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12
Q

Particle Movement in Gases

A

Particles move freely in all directions, high energy.

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13
Q

Solid Characteristics

A

Definite shape and definite volume.

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14
Q

Liquid Characteristics

A

Undefined shape but definite volume.

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15
Q

Gas Characteristics

A

Undefined shape and undefined volume.

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16
Q

Freezing

A

Liquid to solid transition with decreasing temperature.

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17
Q

Melting

A

Solid to liquid transition with increasing temperature.

18
Q

Vaporization

A

Liquid to gas transition with increasing temperature.

19
Q

Sublimation

A

Solid to gas transition under specific conditions.

20
Q

Condensation

A

Gas to liquid transition with decreasing temperature.

21
Q

Deposition

A

Gas to solid transition under specific conditions.

22
Q

Compound Separation

A

Compounds require chemical methods for separation.

23
Q

Mixture Definition

A

Combination of at least two substances physically mixed.

24
Q

Pure Substance Definition

A

Contains only one type of substance.

25
Element Definition
Substance with only one kind of atom.
26
Compound Definition
Substance formed from at least two chemically bound elements.
27
Thomson's Atom Model
Atoms contain smaller negatively charged electrons.
28
Rutherford's Atom Model
Nucleus contains tightly packed positive charge.
29
Bohr Model of Atom
Protons and neutrons provide mass; electrons orbit nucleus.
30
Metal vs. Metalloid
Metals are conductive; metalloids are partially conductive.
31
Protons Definition
Defining aspect of an atom, determines atomic identity.
32
Neutrally Charged Atom
Equal protons and electrons define the element.
33
Isotope Abundance
Most abundant isotope is closest to average weight.
34
Atomic Stability Rules
Full valence shell and neutral charge preferred.
35
Atomic Radius
Measurement of atom size; inversely related to electronegativity.
36
Electronegativity
Attraction of atom to electrons in a bond.
37
Periodic Table Utility
Organizes elements by repeating properties and patterns.
38
Second Law of Thermodynamics
Entropy in the universe is always increasing.
39
First Law of Thermodynamics
Matter and energy cannot be created or destroyed.
40
Materialist Conundrum
First and second laws challenge materialist universe origin.
41
Big Bang Theory
Evidence suggests universe began from a single point.
42
Creator God Implication
Big Bang evidence suggests a beginning requiring a creator.