Earth Science Terms

Question 1

Igneous

Answer 1

Melted rock

Question 2

Metamorphic

Answer 2

Reheated

Question 3

Sedimentary

Answer 3

Rock pieces

Question 4

Magma

Answer 4

Melted in the earth

Question 5

Lava

Answer 5

Melted outside of earth

Question 6

The types of rocks

Answer 6

Igneous, metamorphic, sedimentary

Question 7

Convection currents

Answer 7

Causes plates to move

Question 8

Divergent plate boundaries

Answer 8

Where plates move apart

Question 9

Convergent plate boundaries

Answer 9

Where plates come together

Question 10

Mountain building, subduction zone, and transform fault

Answer 10

Three types of convergent plate boundaried

Question 11

Pangaea

Answer 11

A supercontinent that existed over tens of millions of years ago

Question 12

Continental drift

Answer 12

Idea of how continents moved

Question 13

Alfred wegener

Answer 13

Proposed the idea of continental drift

Question 14

Wegener’s evidence

Answer 14

Fossils, climate change, and common geological features

Question 15

Oceanic floor spreading

Answer 15

Mid oceanic ridge adding new matorral to the ocean floor

Question 16

Seismic waves

Answer 16

Waves sent through the earth

Question 17

S waves

Answer 17

Can only travel through solid

Question 18

P waves

Answer 18

Can travel through solids, liquids, and gases

Question 19

Interior of the earth

Answer 19

Hard boiled egg

Question 20

Earth’s core

Answer 20

Iron and cobalt

Question 21

Lower mantle

Answer 21

Mesosphere

Question 22

Lithosphere

Answer 22

Crust

Question 23

Asthansphere

Answer 23

Upper mantle

Question 24

Outer core

Answer 24

Less dense

Question 25

Inner core

Answer 25

Iron and cobalt

Question 26

Trace fossils

Answer 26

Footprints and activities of animals that are fossilized

Question 27

Molds

Answer 27

A hole created by a decayed animal or plant

Question 28

Casts

Answer 28

A hole that is filled with minerals from watrt

Question 29

True form fossils (petrified)

Answer 29

A mold that is filled with minerals and is turned to stone

Question 30

Carbon films

Answer 30

Thin coating of carbon on rock

Question 31

Preserved remains

Answer 31

Entire organism remains

Question 32

Paleontologist

Answer 32

A scientist who studies fossils

Question 33

How do we determine the relative age of rocks?

Answer 33

Compare to other rocks

Question 34

Law of superposition

Answer 34

In undisturbed sedimentary rocks the bottom is the oldest

Question 35

Law of cross cutting bodies

Answer 35

If an intrusion cuts across another layer, it is younger

Question 36

Rift valley

Answer 36

A lowland region that forms when the earths tectonic plates move apary