section 2 chap 30

Question 1

smallest and closest planet from the sun

Answer 1

Mercury

Question 2

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

Answer 2

Venus

Question 3

third planet from the sun, the only planet in the solar system know to have life, and were water exists as a solid, liquid, and 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 long ago did the solar system form?

Answer 5

4.6 billion years ago

Question 6

What type of atmosphere does Mercury have?

Answer 6

A large iron core and thin outer layers

Question 7

What type of atmosphere does Venus have?

Answer 7

A very dense atmosphere

Question 8

Which planet is referred as Earth’s sister planet

Answer 8

Venus because their sizes and masses are almost identical

Question 9

Temperatures on Earth allow water to exist as what state?

Answer 9

Solid, Liquid, and gas

Question 10

What is Mars is also know as or called

Answer 10

Red planet

Question 11

Why is Mars red?

Answer 11

Iron oxide in some weathered rocks

Question 12

How many moons does Mars have?

Answer 12

2

Question 13

What are the name of Mars the moons?

Answer 13

Phobos and Deimos

Question 14

What does Phobos mean?

Answer 14

Fear

Question 15

What does Deimos?

Answer 15

Panic

Question 16

What was Spirit and Opportunity mission?

Answer 16

Search of liquid water

Question 17

What did Mars Reconnaissance Orbiter discover

Answer 17

Sediment layering and gullies

Question 18

What did Mariner 9 discover?

Answer 18

Valles Marineris and Volcanoes

Question 19

What is Valles Marineris?

Answer 19

a large canyon

Question 20

What did Viking 1 and Viking 2 do?

Answer 20

Photograph the surface of Mars

Question 21

What did Global Surveyor do?

Answer 21

Showed that the Valles Marineris have layers similar to the Grand Canyon.

Question 22

What did the Mars Odyssey do?

Answer 22

Provided evidence for water as frost beneath a thin layer of soil.

Question 23

What Data did the Mars Pathfinder and its rover, Sojourner gather?

Answer 23

that iron in Mar’s crust may have leached out but groundwater.

Question 24

Where did the Curiosity rover land?

Answer 24

Mars

Question 25

What goals did Curiosity include?

Answer 25

investigate climate and geology, collected evidence for microbial life, planetary habitability studies