section 2

Question 1

smallest and closest plant to the sun

Answer 1

Mercury

Question 2

second planet from the sun; has a dense atmosphere of mostly carbon dioxide and very high surface temps

Answer 2

Venus

Question 3

third planet from the sun; the only planet in the solar system known to have life, and where water exists as a solid, liquid, and a gas.

Answer 3

Earth

Question 4

fourth planet from the sun; called the red planet because of high concentrations of iron oxide

Answer 4

Mars

Question 5

How did the solar system form

Answer 5

when a nebula collapsed

Question 6

When did the earth form

Answer 6

4.6 billion years ago

Question 7

What is mercury’s atmosphere like

Answer 7

It has no atmosphere

Question 8

Which planet is referred to as Earth’s sister planet

Answer 8

Venus

Question 9

What is Venus’s atmosphere like

Answer 9

it is very dense and hot

Question 10

What states can water exist as on earth due to the temperatures

Answer 10

as a solid, liquid, or gas

Question 11

What is mars also known as

Answer 11

the red planet

Question 12

why is mars red

Answer 12

due to the iron oxide

Question 13

how many moons does mars have

Answer 13

2

Question 14

what are the names of mars moons

Answer 14

Phobos, Deimos

Question 15

What do Phobos and Deimos mean

Answer 15

Phobos means fear and Deimos means panic

Question 16

What was the mission of spirit and opportunity

Answer 16

to search for liquid water

Question 17

What did the Mars Reconnaissance Orbiter discover

Answer 17

sediment layering and gullies

Question 18

What did the Mariner 9 space probe discover

Answer 18

it discovered Valles Marineris and extinct volcanoes on mars

Question 19

What did viking one and two do

Answer 19

they photographed the entire surface of mars

Question 20

Global Surveyor

Answer 20

It found that the Valles Marineris has similar walls to the grand canyon

Question 21

what did the mars Odyssey discover

Answer 21

water is frost beneath a thin layer of soil

Question 22

What did the Mars Pathfinder and it’s rover, the Sojourner discover

Answer 22

found that iron leeched out from groundwater

Question 23

Where did the Curiosity rover land

Answer 23

Gale Crater

Question 24

what where the goals of curiosity

Answer 24

to investigate climate and geology, to collect evidence for microbial life, and to study planetary habitability