Ch 12- 13

Front 1

Almost all geological features on Venus have ______ names.

Back 1

Feminine

Front 2

Because of Mercury's lower gravity, ejecta from a meteorite covers of its surface.

Back 2

False

Front 3

Because the moon has a low average density and no magnetic field, then its dense core must be _____.

Back 3

Small

Front 4

Debris blasted from the impact of a crater is called

Back 4

Ejecta

Front 5

During which stage of planetary development did the lunar Maria form?

Back 5

Flooding

Front 6

How did mars get its two moons?

Back 6

Mars captured asteroids from the asteroid belt.

Front 7

How did the Martian soil become so heavily oxidized, give it the reddish hue?

Back 7

Iron oxides in its soil.

Front 8

How is it that Earth has Less CO2 in its atmosphere than venus, even though both planets likely outgassed about the same amount of CO2 during their devolpment?

Back 8

Earth absorbed most of the CO2 unti is oceans.

Front 9

Large, smooth, dark plains on the moon are called _____.

Back 9

Maria

Front 10

Lobate scraps are very low and small disturbances on the surface of Mercury.

Back 10

False

Front 11

Mars has two moons, phobos and Deimos

Back 11

True

Front 12

Martian Volcanoes are _____ volcanoes with gradual slopes.

Back 12

Shield

Front 13

Mercury completes one orbit around the sun in 8 days.

Back 13

False

Front 14

Mercury's _____ are marked by meteorite craters less than 15 km in diameter, in addition to secondary craters.

Back 14

Intercrater plains

Front 15

Mercury is still geologically active today

Back 15

False

Front 16

Never reached the moon and had to return to Earth.

Back 16

Apollo 13

Front 17

How often does venus rotate on its axis?

Back 17

243 Earth days

Front 18

How does venus release its interior heat

Back 18

Through large convection currents of hot magma that rise beneath its crust

Front 19

Where is Caloris Basin

Back 19

Mercury

Front 20

Phobos and deimos are believed to be captured _____.

Back 20

Asteroids

Front 21

Shield volcanoes, like those on venus and mars, occur _____.

Back 21

Over a hot spot

Front 22

Studies have shown that the ice located in the south pole of mars is mostly ______.

Back 22

CO2

Front 23

The moon's crust is thicker on the side facing Earth.

Back 23

False

Front 24

The air on mars is 95% nitrogen and argon

Back 24

False

Front 25

The lunar rocks brought back by the apollo astronauts contained a surprisingly large amount of water.

Back 25

False

Front 26

The very large size of Olympus Mons indicates that mars has _____.

Back 26

No plate tectonics

Front 27

What are coronae on the surface of venus

Back 27

Feature left by rising convection currents

Front 28

What are sinuous rilles found on the lunar surface?

Back 28

Channels cut by flowing lava on the edge of the maria

Front 29

What does maria mean?

Back 29

Seas

Front 30

What evidence is there to prove that there has been no tectonic movement on mars?

Back 30

The huge size of the Martian volcanoes

Front 31

What is significant about Olympus mons?

Back 31

It is the largest volcano in the Solar System.

Front 32

What is the current dominant geological process on Mars?

Back 32

Wind erosion

Front 33

Ehat keeps water frozen on mars?

Back 33

Low atmospheric pressure of the planet

Front 34

What is the largest impact crater on mercury?

Back 34

Calories Basin

Front 35

Where did apollo 11 Lunar module land and sample.

Back 35

Mare Tranquillitatis

Front 36

Which best describes Mercury's plains?

Back 36

Solidified lava flows that are a uniform gray color

Front 37

Which characteristic of venus has led many to call it the "sister planet" to Earth?

Back 37

Venus is almost the same size as Earth.

Front 38

Which is a characteristic Venus shares with Earth?

Back 38

Both planets are still geologically active

Front 39

Which is a unique characteristic of Venus not shared by the other Terrestrial planets?

Back 39

The planet experiences retrograde rotation.

Front 40

Which of the following is the oldest geological feature of the moon?

Back 40

Highlands

Front 41

Which statement best describes the greenhouse effect?

Back 41

Infrared radiation is trapped by the atmosphere.

Front 42

What are there no small craters on the surface of venus?

Back 42

The thick atmosphere protects the surface from small meteorites.

Front 43

With no water and a thick, slow-moving lower atmosphere, there is little erosion on venus

Back 43

True

Front 44

Closest to the sun

Back 44

Mercury

Front 45

Displays retrograde motion

Back 45

Venus

Front 46

Has a large sense core

Back 46

Mars

Front 47

Has found water ice beneath its surface with robotic missions

Back 47

Mars

Front 48

Possesses largest volcano in the solar system

Back 48

Marz