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1
Q

Were the first to develop systems
that became the framework of
Greek astronomy on the other hand, Americans, Chinese and Indians
developed their own?

A

Babylonian and Egyptian astronomers

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2
Q

Two famous philosophers that
offered argument for the spherical
nature of the Earth

A

Empedocles and Anaxagoras

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3
Q

A celestial body distinguished from the fixed stars by having an apparent motion of its own(including the moon and sun), especial y with reference to its supposed influence on people and events.

A

Planet

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4
Q

Is the star at the center of the Solar System.

A

Sun

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5
Q

It is a nearly perfect sphere of hot plasma, heated to incandescence by nuclear fusion reactions in its core,
radiating the energy mainly as light and infrared radiation.

A

Sun

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6
Q

It is by far the most important
source of energy for life on Earth.

A

Sun

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7
Q

An object in space that orbits or
circles around a bigger object?

A

Satellite

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8
Q

There are two kinds of satellites what is it?

A
  • Natural (such as the moon orbiting the Earth)
  • Artificial (such as the International Space Station orbiting the Earth).
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9
Q

Are small, rocky objects that orbit the Sun, but they are much smaller than planets.

A

Asteroid

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10
Q

An icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing

A

Comet

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11
Q

A Danish astronomer, nobleman and writer born the Danish peninsula of Scania and is known for his accurate observations of the movement of celestial bodies.

A

Tycho Brahe

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12
Q

The successor of King Frederic II and a German astronomer, mathematician, and astrologer moved to Prague in 1599 where he was supported by Emperor Rudolf II.

A

Johannes Kepler

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13
Q

Brahe’s assistant?

A

Kepler

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14
Q

Named after the Roman emperor and was useful in determining the positions of the planets for the past 1000 years and the future 1000 years

A

Rudolphine Tables

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15
Q

It describes that the actual path followed by the planets was elliptical, not circular, with the Sun at one focus of the ellipse.

A

Law of Ellipses

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16
Q

It states that when an imaginary line is drawn from the center of the Sun to the center of a planet, the line will sweep out an equal area of space in equal time intervals.

A

The Law of Equal Areas

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17
Q

It states that that the ratio of the squares of the periods of two planets is equal to the ratio of the cubes of the average distances of these two planets from the Sun or: where the subscript 1 indicates planet 1 and subscript 2 indicates planet 2.

A

The Law of Harmonies

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18
Q

A comparison between the motion characteristics of different planets, describes that the square of a planet’s orbital period (T2) is proportional to the cube of a planet’s average distance from the Sun (R3)

A

The Law of Harmonies

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19
Q

Offered arguments for the spherical nature of the Earth. During a lunar eclipse, when the Earth is between the sun and the moon, they identified the shadow of the Earth on the moon

A

Empedocles and Anaxagoras

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20
Q

Figure out the size of the Earth based on information available during a lunar eclipse

A

Aristarchus of Samos

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21
Q

Estimated Earth’s circumference around 240 B.C. He used a different approach, measuring the shadows cast in Alexandria and Syrene to calculate their angle relative to the Sun.

A

Erastosthenes

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22
Q

Two primary kinds of celestial objects

A

The fixed stars and wandering stars

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23
Q

Stars that seem to have a fix point in the sky and move all together from night to night.

A

Fixed Star

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24
Q

Do not have a fixed point and they move according to a different system.

A

Wandering Star

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25
Q

The fifth substance which Aristotle posited?

A

Quintessence

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26
Q

It was what the heavens were made of, and that the heavens were a place of perfect spherical motion.

A

Quintessence

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27
Q

A primitive version of a sundial which used by Babylonian and Egyptian civilization which they were able to observe the motion of the sun?

A

Gnomon

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28
Q

This happens when the Earth casts its shadow to the moon when the Earth is located between the Sun and the moon which causes for the moon changes into dark or blood red color?

A

Lunar Eclipse

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29
Q

This phenomenon occurs when the moon is between the Sun and the Earth and partially or completely blocks out the sun?

A

Solar Eclipse

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30
Q

Two philosophical terms used by Aristotle to define and analyze motion?

A

Actuality of a potentiality

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31
Q

Refers to any “possibility” that a thing can be said to have?

A

Potentiality

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32
Q

Is the actual change in motion or activity that represents an exercise or fulfillment of a possibility, when a possibility becomes realistic in the fullest sense?

A

Actuality

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33
Q

Two kinds of motion which described by Aristotle?

A

Natural and Violent motion

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34
Q

Can be described as any motion in which any object does naturally and if it is moved, it will return to its natural state?

A

Natural Motion

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35
Q

Is the type of motion which requires an external push or pull for the object to move?

A

Violent motion

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36
Q

Four elements that believed by the Greek that everything was made of?

A

Air, Water, Fire and Earth

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37
Q

Moves down toward its natural resting place?

A

Earth

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38
Q

Natural place is just above earth?

A

Water

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39
Q

Another element in which generally it rises to its natural place in the atmosphere?

A

Air

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40
Q

Rises to the atmosphere which is its natural place?

A

Fire

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41
Q

An object is influenced by the downward force of gravity?

A

Projectile Motion by Aristotle

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42
Q

Bodies need to be pushed or pulled to maintain horizontal motion.

A

Horizontal Motion by Aristotle

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43
Q

The element Earth moves down towards its natural resting place.

A

Vertical Motion by Aristotle

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44
Q

If two objects of different weights are dropped from the same height, both will hit the ground at the same time, in the absence of resistance?

A

Vertical Motion by Galileo

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45
Q

An object in motion, if unimpeded, will continue to be in motion.

A

Horizontal motion by Galileo

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46
Q

Projectiles follow a curved path.

A

Projectile Motion by Galileo

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47
Q

Is the rate of change of velocity with time?

A

Acceleration

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48
Q

A force or energy that permits an object to move

A

Impetus

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49
Q

The natural tendency of an object to resist any change in motion, including direction?

A

Inertia

50
Q

Is an object’s change in position with respect to a reference point/object? In

A

Motion

51
Q

In 1905, a German physicist named Albert Einstein developed a novel theory about electromagnetic (EM) radiation which is called?

A

Wave-particle duality theory

52
Q

This packet of energy is called?

A

Photon

53
Q

Photon energy is the energy carried by?

A

Photon

54
Q

There are different units that can be used in photon energy, what are those?

A

electronvolt (eV) and the Joule.

55
Q

When a light beam travels between two media having different refractive indices, the light beam undergo?

A

Refraction

56
Q

Speculates that a source of light releases light waves that spread in various directions. The light waves are reflected according to the arrival angles when the light beam touches a mirror, but with each wave turned back to front that yielded a reversed image.

A

Wave Theory

57
Q

States that light acts as a wave when it moves through space and as a particle when it interacts with matter.

A

WAVE-PARTICLE DUALITY THEORY OF LIGHT

58
Q

an energy-carrying wave emitted by a vibrating charge (often electrons) that is composed of oscillating electric and magnetic fields that regenerate one another.

A

ELECTROMAGENTIC WAVE

59
Q

 States that if the position of a wave front at one instant is known, then the position of the front at a later time can be constructed by imagining the front as a source of secondary wavelets.

A

HUYGEN’S PRINCIPLE

60
Q

Can be used to derive the laws of reflection and refraction.

A

HUYGEN’S PRINCIPLE

61
Q

Is the ratio of the speed of light in vacuum to the speed in the material. If is the wavelength in vacuum, the same wave has a shorter wavelength in a medium with index of refraction.

A

INDEX OF REFRACTION OF A MATERIAL

62
Q

States that the angle of reflection equals the angle of incidence.

A

LAW OF REFLECTION

63
Q

Relates the angles of incidence and refraction to the indexes of refraction of the materials.

A

LAW OF REFRACTION

64
Q

 Is an electromagnetic wave. When emitted or absorbed, it also shows particle properties.

A

Light

65
Q

 Is an electromagnetic wave. When emitted or absorbed, it also shows particle properties.

A

Light

66
Q

 It is emitted by accelerated electric charges

A

Light

67
Q

Is a single plane where all incident, reflected, and refracted rays and the normal lie.

A

PLANE OF INCIDENT

68
Q

Is the return of light rays from a surface in such a way that the angle at which a given ray is returned is equal to the angle at which it strikes the surface

A

Reflection

69
Q

The bouncing back of a particle or wave that strikes the boundary between two media

A

Reflection

70
Q

When the reflecting surface is irregular, the light is returned in irregular directions which is called?

A

Diffuse Reflection

71
Q

Is the bending of an oblique ray of light when it passes from one transparent medium to another. This is caused by a difference in the speed of light in the transparent media.

A

Refraction

72
Q

Is the bending of an oblique ray of light when it passes from one transparent medium to another. This is caused by a difference in the speed of light in the transparent media.

A

Refraction

73
Q

The change in direction of a wave as it crosses the boundary between two media in which the wave travels at different speeds.

A

REFRACTION

74
Q

 Is a surface of constant phase

A

Wavefront

75
Q

 Move with a speed equal to the propagation speed of the wave

A

Wavefront

76
Q

It is an energy-carrying wave emitted by a vibrating charge (often electrons) that is composed of oscillating electric and magnetic fields that regenerate one another.

A

ELECTROMAGNETIC WAVE

77
Q

It is an electromagnetic wave. When emitted or absorbed, it also shows particle properties.

A

Light

78
Q

It is emitted by accelerated electric charges.

A

LIGHT

79
Q

He discovered that light traveled in straight lines.

A

EUCLID

80
Q

He argued that light is made of pulses that propagate instantaneously when contacting ‘balls’ in a medium.

A

DESCARTES

81
Q

He showed how to make reflected, refracted, and screened waves of light and also explained double refraction?

A

HUYGENS

82
Q

He predicted an ‘electromagnetic wave’, which can self-sustain, even in a vacuum, in the absence of conventional currents

A

MAXWELL

83
Q

He used the term Lichtquant, or quantum of light

A

EINSTEIN

84
Q

What does this symbol mean?

E

A

Photon’s energy

85
Q

What does this symbol mean?

h

A

Planck’s constant (6.62606957(29)×10-34 J· )

86
Q

What does this symbol mean?

c

A

Speed of light (3 x108 m/s)

87
Q

What does this symbol mean?

λ

A

Photon’s wavelength

88
Q

What does this symbol mean?

f

A

Photon’s frequency

89
Q

This experiment is the reason why Einstein won a Nobel Prize?

A

Photoelectric effect

90
Q

What are the photon’s properties?

A

 Photons have zero mass and rest energy. It only exists as particles in motion.
 Photons are elementary particles even if it has lack of rest mass.
 Photons have zero electric charge.
 Photons are stable.
 Photons are spin-1 particles which converts them bosons.  Photons have energy and momentum which are dependent on its frequency.
 Photons can interact with other particles like electrons in the Compton Effect.
 Photons can be destroyed or created by different natural means, for example when radiation is absorbed or ejected.  Photons travel as fast as speed of light when in empty space.

91
Q

It is a particle that follows Bose–Einstein statistics.

A

BOSON

92
Q

Make up one of two classes of elementary particles, the other being fermions

A

Boson

93
Q

It is the capacity for doing work. It may exist in potential, kinetic, thermal, electrical, chemical, nuclear, or other various forms.

A

ENERGY

94
Q

It is the number of waves that pass a fixed point in unit time; also, the number of cycles or vibrations undergone during one unit of time by a body in periodic motion.

A

FREQUENCY

95
Q

It refers to electromagnetic radiation of any wavelength, whether visible or not

A

Light

96
Q

It is a bundle of electromagnetic energy. It is the basic unit that makes up all light.

A

Photon

97
Q

It is a phenomenon in which electrically charged particles are released from or within a material when it absorbs electromagnetic radiation.

A

PHOTOELECTRIC EFFECT

98
Q

I.True or False

Photons do not decay on their own.

A

True

99
Q

True or False

Proton is a particle of light which essentially is a packet of electromagnetic radiation

A

False

100
Q

True or False

Proton is a particle of light which essentially is a packet of electromagnetic radiation

A

False

101
Q

True or False

Proton is a particle of light which essentially is a packet of electromagnetic radiation

A

False

102
Q

True or False

Proton is a particle of light which essentially is a packet of electromagnetic radiation

A

False

103
Q

True or False

They can be destroyed or created by many natural processes, for instance when radiation is absorbed or emitted.

A

True

104
Q

True or False

When in empty space, photon travels at the speed of light.

A

True

105
Q

True or False

When in empty space, photon travels at the speed of light.

A

True

106
Q

True or False

They can have interactions with other particles such as electrons

A

True

107
Q

True or False

Photons carry energy and momentum which are dependent on the frequency

A

True

108
Q

True or False

Photons are spin-1 particle which makes them electrons.

A

False

109
Q

True or False

Photons have positive electric charge.

A

False

110
Q

True or False

Photons are elementary particles despite lacking rest mass.

A

True

111
Q

True or False

Photons are always electrically neutral. They have no electrical charge

A

True

112
Q

True or False

Photons have zero mass and rest energy. They only exist as moving particles.

A

True

113
Q

True or False

Photons are unstable.

A

False

114
Q

Other than light, what energy is made up by photon?

A

Electromagnetic Energy

115
Q

Examples of electromagnetic energy?

A

 Microwaves
 Radio waves
 X-rays

116
Q

The original concept of the photon was developed by Albert Einstein. However, what was the name of the scientist who first used the word “photon” to describe it.

A

Gilbert N. Lewis

117
Q

The theory that states that light behaves both like a wave and a particle is called?

A

Wave-Particle Duality Theory.

118
Q

What is the mass of a photon?

A

Zero

119
Q

What do you call to the particle of light which essentially is a packet of electromagnetic radiation?

A

Photons

120
Q

Complete the sentence

The higher the frequency, the more ____ the photon has.

A

Energy

121
Q

What is the charge of photon?

A

No charge

122
Q

What is the speed of a photon when it travels in an empty space?

A

3 X 108 m/s

Physical Science (1 decks)

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