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HScience🔬 > Physics Vocab > Flashcards

Physics Vocab Flashcards

Memorization (50 cards)

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1
Q

Acceleration

A

(the rate at which an object is) speeding up, slowing down, or changing direction

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2
Q

Average speed

A

the overall Distance compared to the overall Time

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3
Q

Collision

A

the moment when two or more objects hit each other

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4
Q

Common units for acceleration

A

m/s/s, ft/s/s, mi/hr/s (meters per second squared, feet per second squared, miles per hour per second)

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5
Q

(common units for) density

A

g/mL, g/cm3 , or kg/m3

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6
Q

(common units for) DISTANCE

A

mm, cm, m, km, in, ft, mi (millimeter, centimeter, meter, kilometer, inch, foot, mile)

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7
Q

(common units for) mass

A

mg, g, kg (milligram, gram, kilogram)

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8
Q

(common units for) pressure

A

PSI or Pascal (Pounds per Square Inch; 1 Newton per Square Meter)

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9
Q

(common units for) speed

A

m/s, ft/s, mi/hr (meters per second, feet per second, miles per hour)

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10
Q

(common units for) TIME

A

s,min,hr

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11
Q

(common units for) weight

A

oz, lb, ton (ounces, pounds, tons)

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12
Q

Conduction

A

heat transfer by direct contact of particles of matter

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13
Q

Constant

A

a factor that is kept the same for all tests in an experiment (also called “controlled variable”)

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14
Q

convection

A

heat transfer by the upward movement of a fluid

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15
Q

Density

A

how much matter is packed into a given amount of space

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16
Q

dependent variable

A

the result of an experiment; the effect

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17
Q

distance

A

the amount of space between two points

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18
Q

Fluid

A

a substance that flows (liquids & gases)

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19
Q

force

A

a push or pull; something that causes a change in something else

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20
Q

force diagram

A

a simple diagram that shows the forces acting on an object as arrows that indicate the magnitude and direction of the force

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21
Q

Friction

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A

a force that exists between any 2 pieces of matter that are in contact with each other

22
Q

Gravity

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A

A force that pulls objects towards eachother

23
Q

how to make an ACCELERATION unit

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A

any VELOCITY unit over any TIME unit

24
Q

how to make a SPEED unit

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A

any DISTANCE unit over any TIME unit

25
how to make a VELOCITY unit
any DISTANCE unit over any TIME unit, along with the Direction it is moving
26
Independent Variable
the thing that is being tested in an experiment; the cause
27
inertia
the tendency of an object to resist a change in motion
28
Instantaneous speed
how fast an object is travelling at a certain point in time
29
The Law of ACCELERATION is... (which law of motion?)
Newton's 2nd Law
30
The Law of ACTION and REACTION is... (which law of motion?)
Newton's 3rd Law of Motion
31
Law of Conservation of Energy
energy CANNOT BE created or destroyed - only CHANGED from one form to another
32
Law of Conservation of Mass (matter)
mass (matter) cannot be created or destroyed in ordinary chemical and physical changes - only CHANGED from one form to another
33
Law of Gravity
the scientific law that states every object in the universe attracts other objects, and that the strength of the attraction depends on mass and distance
34
The Law of INERTIA is... (which law of motion?)
Newton's 1st Law of Motion
35
Mass
Amount of matter in an object or a material
36
motion
a change in position
37
Newton
Unit of FORCE; equal to the amount of force it takes to accelerate a 1 kg mass at an acceleration of 1 m/s/s
38
Newton's 1st Law of Motion
An object at rest remains at rest, and an object in motion remains in motion at constant speed and in a straight line unless acted on by an unbalanced force.
39
Newton's 2nd Law of Motion
The acceleration of an object depends on the mass of the object and the amount of force applied. Force = Mass x Acceleration
40
Newton's 3rd Law of Motion
For every action, there is an equal and opposite reaction
41
Position
Location of an object
42
pressure
a pushing force that occurs in all directions; the amount of force exerted per unit area of a surface
43
Prototype
a working model used to test a design concept by making actual observations and necessary adjustments
44
Radiation
heat transfer by "rays" (electromagnetic waves)
45
Source of error
anything in an experiment's design, procedure, or analysis that can affect the accuracy of the data and/or investigation
46
Speed
How fast something is moving
47
/ (the FRACTION BAR means...)
For every or divided by
48
velocity
how fast something is moving IN A PARTICULAR DIRECTION
49
Volume
the amount of space an object or material takes up
50
Weight
The measure of the gravitational pull on an object or material

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