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Science > Space > Flashcards

Space Flashcards

0
Q

Unmanned object sent to space to collect data, samples, and pictures.

A

Space Probe

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1
Q

Tool used to observe the composition of stars.

A

Spectroscope

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2
Q

An unmanned tool that orbits objects

A

Satellites

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3
Q

Telescope that uses mirrors and lenses

A

Reflecting Telescope

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4
Q

Telescope that uses lenses only

A

Refracting Telescope

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5
Q

Disk like galaxy, flattened sphere

A

Elliptical Galaxy

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6
Q

Galaxy with no definite shape

A

Irregular Galaxy

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7
Q

Galaxy that is flattened disk with two or more arms

A

Spiral Galaxy

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8
Q

A collection of dust, gases, and stars

A

Galaxy

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9
Q

Planets that are small and rocky

A

Terrestrial

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10
Q

Planets that are made up of gases

A

Gaseous Planets

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11
Q

Mercury, Venus, Earth, and Mars

A

Inner Planets

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12
Q

Jupiter, Saturn, Uranus, and Neptune

A

Outer Planets

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13
Q

Large chunks of rocks that orbit the sun, usually found between Mars and Jupiter

A

Asteroids

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14
Q

Smaller pieces of asteroids

A

Meteoroids

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15
Q

Meteoroids that enter the atmosphere

A

meteors

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16
Q

Meteoroids that hit the Earth

A

Meteorites

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17
Q

Icy chunks of rocks. Form tails as the get close to the sun.

A

Comets

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18
Q

Orbit planets

A

Moons

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19
Q

Orbit the Sun

A

Planets

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20
Q

First layer of Sun’s atmosphere. The layer you can see.

A

Photosphere

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21
Q

Middle layer of the Sun’s atmosphere known for its orange red color.

A

Chromosphere

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22
Q

Outermost layer of the Sun’s atmosphere, crown like.

A

Corona

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23
Q

Cooler darker regions on the Sun’s surface.

A

Sunspot

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24
Q

When a sunspot erupts and releases solar winds

A

Solar Flare

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25
Q

When two sunspots connect in a loop of gases

A

Prominences

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26
Q

Causes day and night

A

Rotation

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27
Q

Causes the seasons

A

Earth’s revolution around the sun, and Earth’s tilt.

28
Q

Spinning

A

Rotation

29
Q

Takes a year or 365 days

A

Revolution

30
Q

Takes 24 hours

A

Rotation

31
Q

Orbiting

A

Revolution

32
Q

Causes the sun to rise in the east and set in the west

A

Rotation

33
Q

Longest day

A

Summer solstice

34
Q

Longest Night

A

Winter Solstice

35
Q

Equal amount of day and night

A

Equinox

36
Q

Waxing

A

Adding light onto the moon. Heading into a full moon.

37
Q

Waning

A

Taking light off. Heading into a new moon.

38
Q

Crescent

A

1/4 of moon lit. Mostly dark.

39
Q

Gibbous Moon

A

Mostly lit. 3/4 lit

40
Q

Full Moon

A

Entire lit side is showing. Earth between sun and moon.

41
Q

New Moon

A

No lit side showing. Moon is between Earth and Sun.

42
Q

What causes the moon phases?

A

The revolution of the moon. Based on the moons position, on certain amounts of the lit side is seen.

43
Q

Eclipse

A

Shadowed

44
Q

Lunar eclipse

A

When Earth puts a shadow on Moon.

45
Q

Solar eclipse

A

When Moon puts a shadow on Earth.

46
Q

Which eclipse is viewed during the day?

A

Solar eclipse

47
Q

Which eclipse is viewed at night?

A

Lunar Eclipse

48
Q

Which eclipse is the moon between the Sun and Earth?

A

Solar eclipse

49
Q

Which eclipse is the Earth between the Sun and Moon?

A

Lunar eclipse

50
Q

What moon is associated with the solar eclipse?

A

New moon

51
Q

What moon phase is associated with the lunar eclipse?

A

Full moon

52
Q

Darkest part of shadow

A

Umbra

53
Q

Lightest part of shadow

A

Penumbra

54
Q

Neap tide

A

Little difference between high tide and low tide.

55
Q

When does a neap tide occur?

A

When the Sun, Earth, and Moon are at right angles. During 1st or 3rd Quarter moons.

56
Q

Spring Tide

A

Highest high tide, and lowest low tide.

57
Q

When do spring tides occur?

A

When Earth, Sun, and Moon are aligned. At Full moon or New moon phases.

58
Q

Low tide

A

When the tide level recedes.

59
Q

High tide

A

When the tide level rises.

60
Q

What causes tides?

A

The moon’s and Sun’s gravitational pull on Earth’s water. The moon has a greater pull because it is closer.

61
Q

What causes objects in space to stay on their orbital path?

A

Gravity

62
Q

What keeps the objects in space in motion?

A

Inertia

63
Q

Weight

A

Amount of gravitational pull of an object.

64
Q

Mass

A

Amount of matter in an object.

65
Q

How does a different planet affect the weight of an object?

A

Weight will increase if the planet has more mass than Earth, it will decrease if it has less mass than Earth.

66
Q

How does distance affect gravity

A

Gravitational pull is stronger the closer it is.

67
Q

Tool used to measure mass, and unit of measure

A

Tool: triple beam balance, unit: gram

68
Q

Tool used to measure weight, and unit of measure:

A

Tool: Spring scale, Unit of Measure: newtons

Science (2 decks)

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