Test 1 Semester 2:25

Question 0

Continental Drift

Answer 0

Is the slow movement of continents

Question 1

What is the super-continent that broke up 200 million years ago?

Answer 1

Pangea

Question 2

Rift Valley

Answer 2

Long narrow depression where new oceanic crust is formed

Question 3

What’s is a Richter scale, and how does it work?

Answer 3

The measures of an earthquakes energy. For each one unit on the Richter scale represents a 10 fold increase in wave amplitude?

Question 4

Who is Harry Hess?

Answer 4

The scientist who developed the sea floor spreading hypothesis.

Question 5

How does subduction work?

Answer 5

One part of the crust is forced down under the other.

Question 6

What is the Divergent plate Boundary?

Answer 6

The place where two plates are separating and produces rift valleys

Question 7

A crack along which movement has taken place is called what?

Answer 7

A fault

Question 8

What boundary creates collisions of plates?

Answer 8

Convergent plate boundaries

Question 9

What is the elastic rebound?

Answer 9

A sudden energy release that occurs with fault movement.

Question 10

Who was Alfred Wegener?

Answer 10

The scientist who developed the hypothesis of continental drift

Question 11

The point of origin of an earthquake is what?

Answer 11

The focus

Question 12

The place above the Earth’s surface directly above the focus is what?

Answer 12

The epicenter

Question 13

What is a seismograph?

Answer 13

The instrument us es to measure seismic waves

Question 14

What is friction?

Answer 14

The force that opposes sliding motion between two materials.

Question 15

In what order does the earth’s layers descend?

Answer 15

Crust
Lithosphere
Asthenosphere 
Mantle( upper than lowers)
Outer core
Inner core

Question 16

What are Shadow zones?

Answer 16

Occur where no seismic waves are recorded

Question 17

What boundary causes a density change between layers?

Answer 17

Discontinuity

Question 18

What is viscosity?

Answer 18

The resistance of a fluid to flow

Question 19

Describe a shield volcano?

Answer 19

Broad, flat and usually erupts with abundant lava flows

Question 20

What fossils did Wegener prove his theory from other continents?

Answer 20

Cyngnathus and lystrosaurus.

Question 21

What is Glossopertis?

Answer 21

A fern

Question 22

When does elastic deformation occur?

Answer 22

When stress is applied

Question 23

What happens when strain energy is released?

Answer 23

It causes rock to lurch to a new position.

Question 24

In what direction do seismic waves travel?

Answer 24

All

Question 25

How many types can earthquakes be sorted into?

Answer 25

Three

Question 26

P-waves are what and travel through what?

Answer 26

Longitudinal waves, fast, travels through solids and liquids.

Question 27

S-waves are what and travel through what?

Answer 27

Transverse, slow, and only travel through solids.

Question 28

Can poor building structure increase the damage done by an earthquake?

Answer 28

Yes, it is largest contributor to the earthquake damage.

Question 29

Earthquake zones can________ with edges of lithospheric plates?

Answer 29

Coincide

Question 30

Scientist use what type of vibrations to gather data?

Answer 30

Natural

Question 31

Can seismic waves change speed?

Answer 31

Yes

Question 32

Is earths outer core liquid?

Answer 32

Yes

Question 33

The densest materials have been located where?

Answer 33

Toward the core

Question 34

Is earth's core made up of A) unknown B)low C) high D)unstable amount of density and metallic composition?

Answer 34

High

Question 35

How do earthquakes, seismographs and shadow zones help scientist study earth's interior?

Answer 35

EQ-help scientist notice geological patterns SG- help show how big the vibration are SZ- show where no seismic waves are measured

Question 36

What types of material do volcanos erupt?

Answer 36

Ash, gasses, and lava

Question 37

What process created Earth's first atmosphere and ocean water?

Answer 37

Volcanoism

Question 38

What factors affect viscosity?

Answer 38

Temperature, chemical composition and pressure.

Question 39

Name two American hot spots?

Answer 39

Hawaiian islands, and Yellowstone national park

Question 40

How are volcanos classified?

Answer 40

Size, shape and the materials they erupt.

Question 41

What is a cinder cone volcano?

Answer 41

An eruption of high-temperature, gas-rich mafic lava.