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Masterbooks Survey of Science History & Concepts > Exploring Physics Final Review > Flashcards

Exploring Physics Final Review Flashcards

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1
Q

a = f/m

A

second law of motion

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2
Q

A feather and lump of lead will fall at the same speed in

A

vacuum

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3
Q

Acceleration is found by dividing the

A

change in speed by the change in time

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4
Q

adjusts light to the best focus.

A

lens

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5
Q

An object with a ___ charge has more protons than electrons.

A

positive

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6
Q

brings light to a focus.

A

cornea

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7
Q

carries information from the eye to the brain.

A

optic nerve

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8
Q

controls the amount of light that enters the eye.

A

iris

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9
Q

Density is equal to mass divided by

A

volume

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10
Q

developed a model of the atom and electron orbits

A

Niels Bohr

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11
Q

developed the uncertainty principle

A

Werner Heisenberg

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12
Q

Doubling mass of a moving object ___ its kinetic energy.

A

doubles

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13
Q

Doubling velocity of a moving object makes its kinetic energy

A

four times as great

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14
Q

explained black body radiation by using energy quanta

A

Max Planck

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15
Q

f = m x a

A

force equation

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16
Q

fab = -fba

A

third law of motion

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17
Q

Heat is a type of

A

energy

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18
Q

Heat is the motion of ___

A

atoms and molecules

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19
Q

How can scientist measure temperatures higher than 1,700o?

A

They can measure higher temperatures with electrical conductivity and color of light emitted by glowing substance.

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20
Q

I = f x t

A

definition of impulse

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21
Q

Inertia is a property of matter that resists changing its

A

velocity

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22
Q

is a surface of light sensitive nerves.

A

retina

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23
Q

is sensitive to light and can distinguish color.

A

cones

24
Q

is sensitive to light but cannot see color.

A

rods

25
Q

is the opening through which light enters the eye.

A

pupil

26
Q

James Prescott Joule found how mechanical energy due to motion compares to ___ energy.

A

heat

27
Q

Label the four forces acting on an airplane in flight.

A
28
Q

Momentum is the mass of an object times its

A

velocity

29
Q

If f = 0 then a = 0

A

first law of motion

30
Q

p = m x v

A

definition of momentum

31
Q

Physics is the science that explores how energy acts on

A

matter

32
Q

Pressure times volume of any gas divided by the temperature is a constant.

A

Ideal gas law

33
Q

proposed matter waves and calculated their wavelengths

A

Louis de Borglie

34
Q

Rank theses waves in order from lowest frequency (longest wavelength) to highest frequency (shortest wavelength):

blue visible light

AM radio raves

X rays

infrared light

A

AM radio waves

infrared light

blue visible light

X rays

35
Q

State Ohm’s law

A

current = voltage/resistance, or in words: current is directly proportional to voltage and inversely proportional to resistance.

36
Q

State the second law of motion

A

The acceleration of an object is directly proportional to the force acting on it and inversely proportional to its mass.

37
Q

State the third law of motion

A

to every action there is an equal and opposite reaction.

38
Q

Thales of Melitus discovered that ___ could be given a charge of static electricity.

A

amber

39
Q

The first person to state that uranium could undergo fission and produce a self-sustaining chain reaction

A

Lise Meiter

40
Q

The first scientist to generate electromagnetic waves was

A

Rudolf Hertz

41
Q

The force that pushes electrons around a circuit is

A

voltage

42
Q

The frequency of a sound is known as its

A

pitch

43
Q

The Heisenberg uncertainty principle states that the precise position, mass, and ___ cannot be determined exactly.

A

velocity

44
Q

The lifting force acting on a solid object immersed in water is equal to the weight of the water shoved aside by the object.

A

Archimedes’ principle of buoyancy

45
Q

The loudness of sound is measured in

A

decibels

46
Q

The purpose of a moderator is to

A

slow neutrons

47
Q

The scientist who developed four equations that summarized electromagnetism was

A

James Clerk Maxwell

48
Q

The scientist who discovered that pure water has a fixed boiling and freezing temperature was

A

Daniel Fahrenheit

49
Q

The study of sound is known as

A

acoustics

50
Q

The three factors that determine the heat contained in an object are type of substance, mass, and

A

temperature

51
Q

The three properties of a sound are frequency, intensity, and ___.

A

quality

52
Q

The two most common substances used in thermometers are colored alcohol and

A

mercury

53
Q

The velocity of a fluid and its pressure are inversely related.

A

Bernoulli’s principle

54
Q

The volume of a gas is inversely proportional to the pressure.

A

Boyle’s law

55
Q

To calculate speed, divide distance by

A

1time

56
Q

To reduce the heating effect of electricity in wires, the current is reduced but the ___ is increased.

A

voltage

Masterbooks Survey of Science History & Concepts (66 decks)

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