Earthquake quiz-G11

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What are the layers of the earth?

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1

What are the layers of the earth?

  • Lithosphere

  • Asthenosphere

  • Mesosphere

  • LIQUID Outer Core

  • SOLID Inner Core

<ul><li><p>Lithosphere</p></li><li><p>Asthenosphere</p></li><li><p>Mesosphere</p></li><li><p>LIQUID Outer Core</p></li><li><p>SOLID Inner Core</p></li></ul>
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2

What is the density of the Lithosphere?

2.8 g/cm³

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3

What is the density of the Asthenosphere?

4.5 g/cm³

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4

What is the density of the Mesosphere?

5.6 g/cm³

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5

What is the density of the Outer Core?

10 g/cm³

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6

What is the density of the Inner Core?

13 g/cm³

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7

What are the characteristics of Primary Waves (P waves)?

  • goes through solids & liquids

  • faster

  • horizontal

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8

What are the characteristics of Secondary Waves (S waves)?

  • goes through only solids

  • slower

  • vertical

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9

Which kind of seismic wave can pass through the core of the earth?

P waves

<p>P waves</p>
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10

Which kind of seismic wave cannot pass through the core of the earth?

S waves

<p>S waves</p>
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11

Why is the center of the earth hot?

radioactivity (unstable nucleus emits radiation which heats up the earths core)

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12

What are 2 examples of radioactive material that heats the earths core?

  • potassium-40

  • uranium-238

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13

What does ‘wedging’ calculate?

how FAR away the earthquake happened

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14

What does triangulation calculate?

the location of the epicentre

<p>the location of the epicentre</p>
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15

How do you use the Richter scale to calculate ‘Energy’

32x

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16

How do you use the Richter scale to calculate ‘Ground Moving’

10x

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17
<p>What do Transverse Boundaries cause?</p>

What do Transverse Boundaries cause?

  • earthquakes

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18
<p>What do Divergent Boundaries cause?</p>

What do Divergent Boundaries cause?

  • volcanoes

  • rifts

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19
<p>What do Convergent Boundaries cause?</p>

What do Convergent Boundaries cause?

  • earthquakes

  • volcanoes

  • mountain ranges

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