Earth and universe Flashcards

1
Q

Outer layer of earth (4)

A

Crust

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2
Q

Earth layer (3)

A

Mantle

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3
Q

Earth layer (2)

A

Outer core

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4
Q

Centre of earth (1)

A

Inner core

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5
Q

Properties of sedimentary rock

A

Layers
Grains
Fossils

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6
Q

Formation if metamorphic rock

A

Earth movements make them buried or squeezed together
Heated and put under pressure
Minerals they have changed making metamorphic rock

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7
Q

Properties of metamorphic rock

A

Shale
Slate
Schist
Gneiss

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8
Q

Properties of igneous rock

A

Hard grainy no layers no fossils

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9
Q

What are fossils

A

Remains of dead organisms

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10
Q

Process of fossil formation

A

Fossilisation

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11
Q

Types of weathering

A

Physical
Chemical
Biological

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12
Q

Physical weathering

A

Freeze thaw

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13
Q

Chemical weathering

A

Acid rain

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14
Q

Biological weathering

A

Roots grow through rock splitting it

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15
Q

Solar eclipse

A

Moon orbits between earth and sun blocking light from sun

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16
Q

Lunar eclipse

A

Earth blocks most light from moon but some light gets through so it looks red