chapter 30 section 2

Question 1

mercury

Answer 1

the smallest and closest planet to the sun

Question 2

venus

Answer 2

the second closest planet from the sun

Question 3

Earth

Answer 3

the third planet from the sun

Question 4

mars

Answer 4

the fourth planet from the sun

Question 5

how long ago did the solar system from

Answer 5

4.6 millon year ago

Question 6

what type of atmosphere for mercury

Answer 6

has no atmosphere

Question 7

which planet is know as earth’s sister planet

Answer 7

Venus

Question 8

what states is water on earth

Answer 8

solid liquid gas

Question 9

what is mars also know as

Answer 9

red planet

Question 10

why is mars red

Answer 10

iron oxide

Question 11

how many moons dose mars have

Answer 11

two

Question 12

what are the names of the two moons

Answer 12

phobos and deimos

Question 13

what dose phobos mean

Answer 13

fear

Question 14

what dose deimos

Answer 14

panic

Question 15

what was spirit and opportunity’s mission

Answer 15

to find water

Question 16

what did mars orbiter discover

Answer 16

sediment layering

Question 17

mariner 9 discover

Answer 17

vqalles marineris(large canyon) and volcanoes

Question 18

what did viking 1 and 2 do

Answer 18

the photograhed the surface of mars

Question 19

what did global surveyor do

Answer 19

it looked at the walls of valles marineris

Question 20

what did the odyssey do

Answer 20

found evidence of water as frost beneath a thin layer of soil

Question 21

what data did mars pathfinder and rover collect

Answer 21

mars crust have been leached out by groundwater

Question 22

where did curiosity land

Answer 22

the gale crater

Question 23

what were the goals of curiosity

Answer 23

investigate climat and geology
to collect evidence of microbial life, the role of water
planetary habitability studies