Rocks Flashcards

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1
Q

What is a sedimentary rock and how are the formed?? ๐Ÿฅ”

A

Formed from particles of sand and other types of rocks

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2
Q

What is an igneous rock and how are the formed

A

Formed from a mantle when a volcano erupts lava flows and cools ๐ŸŒ‹

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3
Q

How are convection currents foemed

A

Heat from the core and the mantle itself causes convection currents

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4
Q

Whatโ€™s a fossil

A

A fossil is any trace of an organization that has been preserved in a rock

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5
Q

Whatโ€™s a mid ridge

A

A mid ridge is a undersea mountain chain that is a part of a long system of mountains

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6
Q

Sea floor spreading

A

Sea floor spreads apart a long both sides of a mid ocean ridge

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7
Q

Two plates carrying oceanic crust collide

A

Crash head on creating ocean ridges

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8
Q

The lithosphere is broken into separate sections called

A

FAULTS

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9
Q

3 types of boundaries

A

Spreading
Cooling
Sliding

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10
Q

When 2 plates collide it is called a

A

Colliding boundary

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11
Q

P waves

A

Spread in crust stretching rock

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12
Q

S waves

A

Move slow

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13
Q

3 types of stress

A

Tension
Compression
Sharing

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14
Q

Reverse fault

A

Crust is pushed together causing faults to form

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15
Q

Strike slip

A

Move past

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16
Q

Normal

A

Above below

17
Q

Seamus waves

A

P waves
S waves
Surface waves

18
Q

Lithosphere

A

Upper part of mantle

19
Q

Asthenosphere

A

Below lithosphere