Final

Question 1

Mesophere

Answer 1

Solid Molten rock

Question 2

Inner core

Answer 2

solid Iron

Question 3

Asthenosphere

Answer 3

Plastic molten rock

Question 4

Lithosphere

Answer 4

Brittle rock

Question 5

Outer core

Answer 5

liquid iron

Question 6

What is evidence for a liquid outer core

Answer 6

S waves do not travel through the outer core

Question 7

Of density of earth

Answer 7

Density increases with depth in the earth

Question 8

What can we say about a meteorite that is made up of pure metal?

Answer 8

The metal meteorite must have come from an asteroid that had been differentiated

Question 9

The primary source of evidence that the earth is a differentiated planet comes from study of

Answer 9

Behavior of seismic waves

Question 10

What is evidence that outer core is made of liquid iron

Answer 10

Earth has a magnetic field

Question 11

When two plates converge what happends

Answer 11

Fold mountain belts

Question 12

What features is diverging plate boundaries

Answer 12

Oceanic ridges

Question 13

How does plate tectonic model account for movement of continents

Answer 13

The continents rest on plats which move on top of a layer of mechanically weak platic rock

Question 14

A divergent plate is in the atlantic ocean what is the result

Answer 14

The atlantic will grow wider

Question 15

What are evidence for plate tectonic theroy

Answer 15

Geologic fit of adjacent continets
Age distribution of the rocks of the sea floor
Fossil records on adjacent continents

Question 16

When an oceanic plate converges with a continental plate which will be subducted

Answer 16

Oceanic plate

Question 17

How old is earth

Answer 17

4.6 billion

Question 18

When you find the age of a rock using radiometric dating what does it mean

Answer 18

The date when the minerals within the rock cooled and solidified

Question 19

What type of rock forms after a rock has been melted and cooled

Answer 19

Igneous

Question 20

Which type of rock forms when eroded pieces of other cocks become cemented together

Answer 20

Sedimentary

Question 21

Which type of rock forms when rock already exists as a solid but undergoes heat and pressure to change its structure

Answer 21

Metamorphic

Question 22

If the asthenosphere, has a little bit more water in it than the rest of the mantle what effect does it have on rock fomration

Answer 22

Rock is able to melt at a lower temp

Question 23

Describe the hydrological cycle of the earth with energy from sun

Answer 23

The Energy from the sun is transferred by radiation through the atmosphere to the oceans. This radiation is strongest near the equator, and most evaporation occurs there.

Question 24

Excluding oceans where is most of Earths liquid water

Answer 24

Ground water

Question 25

Streams

Answer 25

Streams carry more sediment when moving quickly since the stream has more kinetic energy

Question 26

T or F

Once snow accumulates in an alpine glacier it will be part of the glacier for several millions years

Answer 26

F

Question 27

What is a good piece of evidence for global warming

Answer 27

The eaths average temperature has increases faster than its normal rate in the last 100 years

Question 28

What is evidince in human rsponsiblility for global warming

Answer 28

Ice cores show a correlation between global temp and CO2

Question 29

What is a sole natural factor in climate change

Answer 29

The amount of energy the sun outputs

Question 30

What is defining feature of greenhouse gas

Answer 30

The absorb IR photons at frequencies that are radiated by the earth

Question 31

Positive or NEg

As surgace temp increases, the rate of plant growth increases, removing CO2 from atmosphere

Answer 31

Neg

Question 32

P or N

As surface temperatures increase, the amount of the surface covered with sno and ice decreases

Answer 32

P

Question 33

P or N

As surface temp increases, decay rates for vegetation increases decaying plants produce methane

Answer 33

P

Question 34

P or N

As surface temperature increases, so does evaporation, increasing the clouds which reflect sunlight

Answer 34

N

Question 35

What is the history of a massive starte that is 8 times the mass of sun

Answer 35

Protstar, main sequence, red giant, supernova, neutron star or black hole

Question 36

What is the energy source of the sun

Answer 36

Fusion of hydrogen into helium

Question 37

The main sorece of light energy emitted by a protostar is

Answer 37

The conversion of gravitational potential energy to other forms of energy that inderectly give rise to light

Question 38

What color of stars looks birghter

Answer 38

Blue stars looks brighter than the red stars

Question 39

Most stars spend the greater part of their active life as a

Answer 39

Hydrogen/proton-fusing star

Question 40

Our sun will eventually become a

Answer 40

White dwarf

Question 41

WHen the absorption spectrum of light form distant galaxies is measured what if found?

Answer 41

The lines in the absorption spectrum are shifted towards the red end, with light fomr distant galaxies being shifted by the largest amount

Question 42

Whats the best method to determint the distance of a star more than 100,000 light years away

Answer 42

Mesure its color and apparent brightness, then look on a H-R diagram to determine its absolute brightness. Then compare absolute and apparent brightness

Question 43

What is true in the Big Bang Model

Answer 43

The microwave background radiation that fills the unverse is left over from the early stages of the expansion process

Question 44

T or F

It apperes the expansion rate of the universes is increasing with time

Answer 44

T

Question 45

When the lines are shifted toward the blue end of the specturm it means

Answer 45

Galaxy is moving toward the earth