Plate Tectonics

Front 1

Alfred Wegener's idea of continental drift was reject because

Back 1

He would not identify a force

Front 2

Earth's Layers

Back 2

crust, mantle, outer core, inner core

Front 3

Earth's Magnetic Field results from the spinning of.....

Back 3

the inner core

Front 4

Rocks farther away from the mid-ocean ridge were older than those near

Back 4

Scientists used sea floor drilling

Front 5

When scientists observed the mid-ocean ridge...

Back 5

they saw rocks formed by the eruption of molten material

Front 6

Mid-ocean ridge

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longest chain of mountains in the world

Front 7

Heat transfer within fluid takes place by

Back 7

Convection currents

Front 8

Earth's lithosphere are in constant motion

Back 8

Theory of Plate Tectonics

Front 9

Pangaea

Back 9

Supercontinent that existed millions of year ago

Front 10

Movement of Earth's plates is caused by

Back 10

Convection Currents

Front 11

Heat Transfer

Back 11

when you touch a hot pan energy moves from the pot to your hand

Front 12

A collision between two pieces of continental plates forms a

Back 12

Mountain Range

Front 13

Continental Drift

Back 13

all continents once were joined together

(supercontinent)

Front 14

Scientists that study forces

Back 14

Geologists

Front 15

Formation of volcanoes and mountain ranges is explained by

Back 15

The theory of Plate Tectonics

Front 16

Hot plate-heat transfers from your plate to hand by

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conduction

Front 17

The lithosphere is broken into sections called

Back 17

plates

Front 18

Subduction occurs where the oceanic crust bends down toward the mantle at a

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deep ocean trench

Front 19

Energy from the sun that warms your face

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radiation

Front 20

Heat is transferred as soft rock flows slowly

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Convection Current

Front 21

Sea-Floor Spreading

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adds new crust to the ocean floor

Front 22

Oceanic crust is made up of

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basalt

Front 23

Plates slip past each other in opposite directions

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transform boundary

Front 24

Made of solid iron and nickel

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inner core

Front 25

Asthensophere

Back 25

made of soft rock that bends like plastic

Front 26

A continental plate collides with an oceanic plate at a

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convergent boundary

Front 27

Pangaea

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Continents had once been joined together

Front 28

When continental plates pull apart at a divergent boundary

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Rift Valley

Front 29

Geologists learn about Earth's interior by studying

Back 29

seismic waves

Front 30

Alfred Wegener studied

Back 30

evidence from fossils