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Science 6th > Final > Flashcards

Final Flashcards

1
Q

What is the water cycle?

A

Path that all water follows as it goes around the earth.

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2
Q

What are the stages of the water cycle?

A

Evaporation,precipitation,collection, condensation

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3
Q

What is evaporation?

A

when water gets soaked up by the sun into the atmosphere.

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4
Q

what is transpiration?

A

Plant roots absorb then release water

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5
Q

What is precipitation?

A

Water that falls from the sky/ hail,sleet,snow,rain

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6
Q

The total sum of all the water on Earth and its atmosphere is called?

A

hydrophere

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7
Q

what effect does the sun have on the water on earth m

A

evaporation

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8
Q

what is it called when rain water contributes to lakes and rivers

A

run off

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9
Q

What is condensation?

A

water vapor is turned into liquid by getting cold

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10
Q

what is humidity

A

how much water vapor is present in the air

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11
Q

define fog

A

Fog is a visible aerosol consisting of tiny water droplets or ice crystals

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12
Q

define dew point

A

water droplets saturate

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13
Q

Air pressure

A

It is the force exerted on a surface by the air above it as gravity pulls it to Earth

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14
Q

What is weather

A

short term weather

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15
Q

what is climate

A

long term weather

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16
Q

meteorolegy

A

scientist who study the atmosphere and its changes

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17
Q

what causes weather?

A

by heat from the sun and movement of the earth

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18
Q

acid rain

A

poluted precipitation

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19
Q

earths layers

A

crust,mantle,outer core, inner core

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20
Q

what is the crust

A

rigid rocky outer layer

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21
Q

what are lithospheric plates

A

peices that the crust is broken into

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22
Q

what is the lithosphere

A

the rigid outer part of the earth, consisting of the crust and upper mantle.

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23
Q

what is the mantle

A

provides the thermal and mechanical driving forces for plate tectonics

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24
Q

convection currents

A

make plates move

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25
Q

outer core

A

so hot the matals are in liquid state

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26
Q

inner core

A

helping to give rise to the magnetic field that protects us from harmful space radiation very hot

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27
Q

who proposed sea floor spreading

A

Harry Hess

28
Q

evidence from sea floor spreading

A

eruptions of molten material, magnetic stripes in the rock of the ocean floor, and the ages of the rocks themselves.

29
Q

plate tectonic theory

A

Earth’s solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere

30
Q

3 types of plates thay are always moving

A

convergent,divergent,transform

31
Q

divergent

A

plates move apart

32
Q

convergent

A

plates collide

33
Q

transform

A

slide across eachother

34
Q

subduction zone

A

A subduction zone is a region of the Earth’s crust where one plates subducts under eachother

35
Q

oceanic to continental

A

oceanic goes under continental: volcanos form

36
Q

oceanic to oceanic

A

denser plate will go under: island

37
Q

continental to continental

A

forms mountain ranges

38
Q

where does faults occur

A

edges of plates

39
Q

definition of each cloud

A

Cumulous: puffy white Stratus: lowers sheets Cirrus: thin wispy high up

40
Q

what is a volcano

A

magma erupting

41
Q

What makes up the asteroid belt and what does it do?

A

divides inner and outer planets millions of still rocks

42
Q

what planet rotates on its side

A

uranus

43
Q

why are dwarf planets not considered planets

A

dwarf planet has not cleared the area around its orbit, while a planet has

44
Q

how many earth can fit in a sun

A

over 1,000,000

45
Q

What is the suns composition

A

74 hydrogen 25 helium 1 other

46
Q

internal structures of the sun

A

the core, the radiative zone, and the convective zone

47
Q

what is the core

A

nuclear fusion

48
Q

what is the radiative zone

A

surounds the core

49
Q

what is the convective zone

A

between ratiative zone and surface

50
Q

what is granulation

A

Hot gasses rise and cooler gas sincks

51
Q

what is the outer structure of the sun

A

chromosphere photosphere corons

52
Q

what is the photosphere

A

visible surface of the sun

53
Q

what is the chromeosphere

A

lower part of the suns atmosphere

54
Q

what is the corona

A

A corona is thin upper atmosphere of the sun

55
Q

what is the behavior of the sun

A

m

56
Q

what is planet mercury and facts

A

Its orbit around the Sun takes 87.97 Earth days, the shortest of all the Sun’s planets.

57
Q

what is planet venus and some facts

A

named after the Roman goddess of love and beauty. As the brightest natural object in Earth’s night sky after the Moon, Venus can cast shadows and can be, on rare occasions, visible to the naked eye in broad daylight.

58
Q

electro magnetic spectrum

A

Entire range of radiant energy

59
Q

refracting telescope

A

a telescope which uses a convex lens to collect the light.

60
Q

meteor

A

travels through space

61
Q

meteoroite

A

visits earths surface

62
Q

astroid

A

Asteroids are small, rocky objects that orbit the sun

63
Q

comet

A

A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases

64
Q

reflecting telescope

A

a telescope in which a mirror is used to collect and focus light.

65
Q

radio telescope

A

A radio telescope is a specialized antenna and radio receiver used to detect radio waves

66
Q

what is one light year equal to

A

6 trillion miles

Science 6th (4 decks)

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