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Earth Science & Fil > Science Deck Real > Flashcards

Science Deck Real Flashcards

1
Q

a disturbance that moves through a medium when the medium’s particles cause neighboring particles to move.

A

Wave

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2
Q

A wave that is a result of vibrations between electric and magnetic fields.

A

Electromagnetic Wave

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3
Q

They travel in a vacuum.

A

Electromagnetic Wave

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4
Q

They don’t need a medium to travel.

A

Electromagnetic Wave

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5
Q

Has a speed of 3*10^8 m/s

A

Electromagnetic Wave

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6
Q

It is a range of all EM Waves.

A

EM Spectrum

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7
Q

It is arranged in order of increasing wavelength and decreasing frequency.

A

EM Spectrum

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8
Q

Invisible force field created by the attraction and repulsion of electrical charges.

A

Electric Field

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9
Q

It is an area around a magnet or something magnetic in which it has a force to attract objects to itself.

A

Magnetic Field

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10
Q

These are waves that allow us to listen to the radio.

A

Radio Waves

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11
Q

They have long wavelengths and low frequencies.

A

Radio Waves

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12
Q

They are used for broadcasting music, news etc…

A

Radio Waves

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13
Q

Have shorter wavelengths and higher frequencies than radio waves.

A

Microwaves

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14
Q

They are used in microwave ovens, cell phones and WI-FI.

A

Microwaves

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15
Q

Heat radiation

A

Infra

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16
Q

Used in TV Remotes and Thermal Cameras.

A

Infra

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17
Q

Allows us to see the world around us

A

Visible Light

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18
Q

Patterns of dark lines and colors

A

Visible Light

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19
Q

Have shorter wavelengths and higher frequencies than visible light.

A

UV Ray

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20
Q

Comes from the sun and causes sunburns.

A

UV Ray

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21
Q

Have shorter wavelengths and higher frequencies than UV Radiation.

A

X-Rad

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22
Q

Used in medical imaging like x-ray machines to see our bones and organs.

A

X-Rad

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23
Q

Have the shortest wavelength and highest frequency.

A

Gamma

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24
Q

Produced during nuclear reactions.

A

Gamma

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25
Q

Naturally produced by pulsars, supernova explosions, neutron stars and also by the decay of some radioactive elements.

A

Gamma

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26
Q

Cannot penetrate the cells of an organism.

A

Non-Ionizing Radiation

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27
Q

Non-Ionizing Radiation Examples

A

Radio, Micro, Infrared and Visible Light.

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28
Q

Has a photochemical reaction.

A

Non-Ionizing Radiation

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29
Q

Can penetrate the cells of an organism.

A

Ionizing Radiation

30
Q

Biological damage

A

Ionizing Radiation

31
Q

Ultraviolet, X-Ray, Gamma.

A

Ionizing Radiation

32
Q

Affects fast growing cells like hair and skin. Kills cells.

A

Ionizing Radiation

33
Q

High amount of radiation exposure but in a short period of time.

A

Acute

34
Q

Exposed to a small amount of radiation but for a long period of time.

A

Chronic

35
Q

Characteristics of Images Formed by a Plane Mirror

A

Virtual, Same Size, Same Orientation, Same Distance, Erect or Upright

36
Q

Reflects light inward to one focal point. It is used to focus light.

A

Concave MIRROR

37
Q

Converging mirror, because the reflecting surface is inward.

A

CONCAVE MIRROR

38
Q

Dental Mirror, Microscope, Shaving Mirrors, Headlights.

A

CONCAVE MIRROR

39
Q

MIRROR WITH REAL FOCAL POINT

A

CONCAVE MIRROR

40
Q

MIRROR THAT FORMS REAL AND VIRTUAL IMAGES

A

CONCAVE MIRROR

41
Q

Mirror that produces magnified and diminished images.

A

Concave Mirror

42
Q

Reflect light outwards, not used to focus light.

A

Convex Mirrors

43
Q

Diverging mirror, reflecting surface is outward.

A

Convex Mirrors

44
Q

Safety Mirrors: images may be closer than they appear.

A

Convex Mirrors

45
Q

Mirror that has a virtual focal point.

A

Convex Mirrors

46
Q

Mirror that only produces diminished images.

A

Convex Mirrors

47
Q

Formed when light rays actually meet after reflection.

A

Real Image

48
Q

Can be formed on a screen.

A

Real Image

49
Q

Light rays do not intersect.

A

Virtual Image

50
Q

Images cannot be formed on a screen.

A

Virtual Image

51
Q

When an image is formed beyond the center of the curvature the LOST is ?

A

Between C and F, Inverted, Reduced and Real.

52
Q

When an image is formed at the center of the curvature the LOST is ?

A

At C, Inverted, Same and Real.

53
Q

When an image is formed at the focus the LOST is ?

A

No Image Formed

54
Q

Refers to the lens which merges the light rays at a particular point that travels through it.

A

Convex Lenses

55
Q

Can be identified as the lens which disperses the light rays around that hits the lenses.

A

Concave lens

56
Q

Lens with OUTWARD curve.

A

Convex

57
Q

Lens with INWARD curve.

A

Concave

58
Q

Light that converges in lens.

A

Convex

59
Q

Light that diverges in lens.

A

Concave

60
Q

Thicker at the center compared to its edges in lens.

A

Convex

61
Q

Thinner at the center as compared to its edges in lens.

A

Concave

62
Q

Used to correct far sightedness.

A

Convex Lens

63
Q

Used to correct near sightedness.

A

Concave Lens

64
Q

Real and inverted image, produces virtual, erect and enlarged image in a magnifying glass. LENSES.

A

Convex

65
Q

Method used to predict the characteristics of images formed in curved mirrors.

A

Ray Diagrams

66
Q

Optical instrument with 2 convex lenses.

A

Compound Microscope

67
Q

They form an enlarged image of the object inside the microscope.

A

Compound Microscope

68
Q

Uses convex lenses to make enlarged images.

A

Telescope

69
Q

Has two types, reflecting/concave and refracting/convex telescopes.

A

Telescope

70
Q

An optical instrument that forms and records an image of an object.

A

Camera

71
Q

May be recorded on film or it may be detected by an electronic sensor.

A

Camera

72
Q
A

Earth Science & Fil (6 decks)

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