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1
Q

Occurs when the surface particles of a solid gain enough energy that they form a gas

A

Sublimation

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2
Q

What are examples of amorphous solids

A

Plastics, rubber, and glass

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3
Q

Matter with a definite shape and a definite volume

A

Solid

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4
Q

What are some crystalline solids

A

Salt, sugar, and snow

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5
Q

A liquid is a example of this in the meaning is a “substance that flows”

A

Fluid

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6
Q

What is the freezing point

A

0C

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7
Q

The result of an inward pull among the molecules of a liquid that brings the molecules on the surface closer together. Also a property of liquids

A

Surface tension

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8
Q

The change in state from a solid to a liquid

A

Melting

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9
Q

Has a definite volume but no shape of its own

A

Liquid

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10
Q

Occurs when a liquid changes to a gas below its surface as well as at the surface

A

Boiling

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11
Q

Can change volume very easily

A

Gas

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12
Q

In many cells the particles from a regular repeating pattern. These parents create crystals. Solids that are made up of crystals are called

A

Crystalline solid

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13
Q

What is the temperature of the boiling point

A

100C

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14
Q

What is in most pure substances, melting occurs at a characteristic temperature called

A

Melting Point

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15
Q

What is the temperature at which a liquid boils called

A

Boiling point

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16
Q

The total potential and kinetic energy of the particles in an object

A

Thermal energy

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17
Q

The change in state from a gas to a liquid

A

Condensation

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18
Q

Occurs when a solid object moves through a fluid

A

Fluid friction

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19
Q

Vaporization that takes place only on the surface of a liquid

A

Evaporation

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20
Q

Another property of a liquid. It depends on the size and shape of its particles in the attractions between the particles.

A

Viscosity

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21
Q

What is the formula for average speed

A

Average speed=distance/time

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23
Q

What is CER

A

Claim
Evidence
Reasoning

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24
Q

A gas changing into a solid without going through a liquid

A

Deposition

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25
Q

What is the Melting point

A

0C

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26
The change from a liquid to a solid
Freezing
27
The state in which one objects distance from another is changing
Motion
28
A place or object used for comparison to determine if something is in motion
Reference point
29
The length of a path between two points
Distance
30
What is the momentum formula
Momentum=Mass x Velocity
31
The length and directions that an object has moved from its starting point
Displacement
31
What are examples of vectors
Displacement, Velocity, acceleration, and force
32
Of an object is the distance the object travels per unit of time
Speed
33
Of the gas is the force of its outward push divided by the area of the walls of the container
Pressure
33
What is the speed equation
Speed=Distance/Time
35
When the speed of an object remains the same it does not increase or decrease
Constant speed
37
A quantity that consist of both a magnitude and direction
Vector
38
The particles are not arranged in a regular pattern
Amorphous solids
40
Speed in a given direction
Velocity
41
The steepness of a line on a graph
Slope
42
What is the slope equation
Slope=Rise/Run
43
The rate at which velocity changes with time
Acceleration
44
What is the acceleration equation
Acceleration=Final Velocity-Initial Velocity/Time
45
It is the rate at which an object slows down
Deceleration
46
The ability to do work or cause change
Energy
47
The energy and object has due to its motion
Kinetic energy
48
Stored energy that results from the position or shape of an object
Potential energy
49
The absence of outside forces, the total momentum of objects that interact does not change
Law of conservation of Momentum
50
A push or a pull
Force
51
Inertia. Objects in motion stay in motion, objects at rest stays at rest, and lots an outside force acts upon
Newtons first law
52
More massive things need more force to move. The more you speed something up “the more acceleration”, the more force it takes.
Newton’s second law
53
The combination of all forces acting on an object
Net force
54
Will cause the velocity of an object to change. The object to speed up, slow down, or change direction
Unbalanced forces
55
The SI unit for the magnitude, or strength, of a force
Newton
56
Equal forces acting on one object in opposite directions
Balanced forces
57
A force that two surfaces excerpt on each other when they rub against each other
Friction
58
For every action, there is an equal and opposite reaction
Newtons third law
59
The friction that acts on objects that are not moving
Static friction
60
Occurs when two solid surfaces slide over each other
Sliding friction
62
What is the strongest friction and what is the weakest friction?
Static Friction, Fluid Friction
63
A force that pulls objects toward each other
Gravity
64
The measure of the amount of matter in an object is
Mass
65
The gravitational force exerted on a person or object at the surface of a planet is known as
Weight
66
What is the weight formula
Weight=Mass x Acceleration due to gravity
67
When the only force acting on an object is gravity, the object is said to be in
Free fall
68
A type of fluid friction and it acts on objects falling through air
Air resistance
69
The change from a liquid to a gass
Vaporization
70
In object that is thrown
Projectile
71
The tendency of an object to resist a change in motion
Inertia
72
A characteristic of a moving object that depends on both the mass and velocity of the object
Momentum
73
When an object rolls across a surface
Rolling friction
74
A change in a substance that does not change its identity
Physical change
75
A change in which one or more substances combine or break apart to form new substances
Chemical change

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