Author Question: Compare and contrast the core of Mercury (40 percent of the planet's volume) to that of Earth (10 ... (Read 38 times)

londonang · **on:** Jul 15, 2018

Compare and contrast the core of Mercury (40 percent of the planet's volume) to that of Earth (10 percent of the planet's volume). If Mercury is smaller, why is its core bigger than Earth's?

What will be an ideal response?

Question 2

Match the type of meteorite with the correct definition.

A) Silicate minerals with inclusions of other minerals
B) Combinations of iron and silicate minerals
C) Mostly aggregates of iron with 5 percent to 20 percent nickel

1) Stony-iron
2) Iron
3) Stony

mistyjohnson · **Reply #1 on:** Jul 15, 2018

Answer to Question 1

Answer: Earth is larger, so it has more mass and therefore more gravitational pull than Mercury. Thus, the iron is condensed into a tighter, smaller bundle.

Answer to Question 2

Answers: 1) B 2) C 3) A