ESS A Module 1 Exam Review

Which description best describes Mars?

• Mars is a small, rocky planet and is an inner planet in our solar system.

• Mars is a large, rocky planet and is an outer planet in our solar system

• Mercury is a small, gassy planet and is an outer planet in our solar system.

• Mercury is a small, gassy planet and is an inner planet in our solar system.

Categorize the options into the right categories

Groups:

(a) Terrestrial Planet core

,

(b) Jovian Planet Core

• Ice

• Iron

• Rock

• Nickel

Categorize the options into the right categories

Groups:

(a) Terrestrial Planet Mantle

,

(b) Jovian Planet Mantle

• Pressurized hydrogen

• Compressed water

• Oxygen

• Silicon

• Calcium

• Sodium

Approximately how long does it take light to travel from the sun to Neptune (4,501,090,000 km away)?  Assume speed of light is 300,000 km/s.

• 250 minutes

• 2.50 minutes

• 0.15 seconds

• 150 seconds

Which of the following processes produces the light we see from our sun?

• Nuclear fission

• Nuclear fusion

• Chemical combustion

• Magic!

Match the appropriate description to each point in the star's life.

a

b

c

Core collapses, shell of star expands

Hydrogen fuses into helium

Iron is formed, increases in the core