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Integrated Science > Earth Formation > Flashcards

Earth Formation Flashcards

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1
Q

Everything that has mass has_______

A

Gravity

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2
Q

Gravity depends on ______

A

Mass

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3
Q

Weight is proportional to _______

A

Mass

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4
Q

Weight changes does mass??

A

No!!!

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5
Q

More mass=more_____

A

Gravity

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6
Q

Closer together=more _____

A

Gravity

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7
Q

Less mass=less ____

A

Gravity

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8
Q

Farther apart=less_____

A

Gravity

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9
Q

How old is the Earth?

A

4.6 billion years

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10
Q

What are the layers of the earth

A

Crust mantel, outer core, inner core

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11
Q

What do the planets orbit?

A

The sun

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12
Q

Continent shape

A

Continents fit together like a puzzle

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13
Q

How did the solar system “form”?

A

Collapsing dust closed eventually formed the sun, the inner planets, the outer planets, the Astroid belt, all the satellites of the planets, comets, and everything else in the solar system.

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14
Q

How is the theory of the solar system supported?

A
  • planets are distant from each other
  • terrestrial planets and gas giants are different
  • planets orbit the sun
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15
Q

Crust

A

Solid, outer most layer

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16
Q

Mantel

A

Soldish layer, the thickest layer

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17
Q

Outer core

A

Liquid iron and nickel

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18
Q

Thickest under the__________

A

Continents

19
Q

Thinner under the _________

A

Ocean

20
Q

Upper mantel

A

Flows like thick cement (laffy taffy)

21
Q

Lower mantel

A

Flows more than the upper mantel(silly puddy)

22
Q

Inner core

A

Solid iron and nickel layer

23
Q

Fossil evidence

A

Fossils of same plants and land dwelling animals have been found on matching coastlines of continents that are separated by oceans and thousands of miles apart

24
Q

Rock evidence

A

The same age and types of rocks have been found on matching coastlines of continents that are separated by oceans and thousands of miles apart

25
Q

Mountain evidence

A

Some mountain ranges on one continent seem to be very similar in shape, age, and formation on different continents.

26
Q

Glacier scars

A

Some glacier marks appear to show the glacier moving in the wrong direction as well as being found in what are today tropical areas

27
Q

Lithosphere(crust)

A

Solid layer of the earth that is fractured into large tectonic plates

28
Q

How much do the tectonics plates move per year

A

2.5 cm/ year

29
Q

Earthquakes

A

The shaking of the earths crust due to a release in energy

30
Q

Earthquakes occur in three major regions on earth:

A
  • Ring of fire
  • Mid-ocean ridges
  • Eurasian-Melanesian Mountain Belt
31
Q

Divergent

A

Plates are moving apart from each other

32
Q

Convergent

A

Plates are moving towards each other

33
Q

What is happening to the Himalayan mountains during convergent plate movements?

A

The Himalayan mountains are getting pushed higher and higher

34
Q

Transform

A

Plates are sliding past each other

35
Q

What type of plate movement causes the most earthquakes? (Divergent, convergent, of transform?)

A

Transform

36
Q

Focus

A

Point of origin of an earthquake deep inside of the Earth

37
Q

Epicenter

A

Point of origin of an earthquake on the surface of the earth

38
Q

Trialteration

A

Process where three seismic stations each draw large circles around their stations on the map

39
Q

P-waves

A

Primary waves: arrive first to the seismic station
•longitude waves
•travel through solids, liquids, and gases

40
Q

S-waves

A

Secondary waves
Arrives after P waves
Transverse
Travel through solids only

41
Q

Surface (L) waves

A

A combination of P and S waves

42
Q

What wave causes the most damage

A

L waves (a combination of P and S waves)

43
Q

Gravity

A

Tries to pull everything towards the center of the earth

44
Q

Volcanoes

A

Mountain that erupts based on the composition of the magma

Integrated Science (1 decks)

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