EAPS 105: Asynchronous Quiz 3

Quiz 3: Unit 2. Part 1. Question 1. Watch the Unit 2 Part 1 lecture video and answer the following question: What are meteoroids?

A) Small rocks (less than a few meters across) travelling through space.

B) Small rocks from space that light up in the night sky as they burn up the Earth's atmosphere.

C) Small pieces of space rock that survive passage through the atmosphere to be picked up the surface.

A) Small rocks (less than a few meters across) travelling through space.

Quiz 3: Unit 2. Part 1. Question 2. Watch the Unit 2 Part 1 lecture video and answer the following question: What is a fusion crust?

A) The outer layer of an asteroid that has undergone differentiation.

B) The rocky outer layer of a comet leftover after surface ice sublimates.

C) A thin surface coating on meteorites caused by melting when a meteor passes through the atmosphere

D) New oceanic crust that is generated at mid-ocean ridges.

C) A thin surface coating on meteorites caused by melting when a meteor passes through the atmosphere

Quiz 3: Unit 2. Part 1. Question 3. Watch the Unit 2 Part 1 lecture video and answer the following question: Which of type of meteorites contain chondrules?

A) Chondritic

B) Achondritic

C) Stony

D) Pallasites

A) Chondritic

Quiz 3: Unit 2. Part 1. Question 4. Watch the Unit 2 Part 1 lecture video and answer the following question: Where was the Lafayette Meteorite discovered?

A) In a drawer at Purdue

B) In the Wabash River

C) In Louisiana

D) In a farmer's field in Lafayette

A) In a drawer at Purdue

Quiz 3: Unit 2. Part 2. Question 5. Watch the Unit 2 Part 2 lecture video and answer the following question: Which is the correct order of accretion to form planets?

A) planetesimals, chondrules, protoplanets, planets

B) protoplanets, planetesimals, chondrules, planets

C) chondrules, planetesimals, protoplanets, planets

D) planetesimals, protoplanets, chondrules, planets

C) chondrules, planetesimals, protoplanets, planets

Quiz 3: Unit 2. Part 2. Question 6. Watch the Unit 2 Part 2 lecture video and answer the following question: What causes electrostatic attraction?

A) The warping of space due to a strong gravitational field

B) Magnetism

C) The exchange of electrons between colliding objects

D) Radioactive decay

C) The exchange of electrons between colliding objects

Quiz 3: Unit 2. Part 2. Question 7. Watch the Unit 2 Part 2 lecture video and answer the following question: How were chondrules formed?

A) Nebular lightning

B) Impacts between dust clumps

C) An energetic output of the early Sun

D) Shockwaves within the accretionary disc

E) All the above are possible

E) All the above are possible

Quiz 3: Unit 2. Part 3. Question 8. Watch the Unit 2 Part 3 lecture video and answer the following question: What does it mean for an asteroid or planet to be differentiated?

A) It is made of metals and rocks.

B) It is made of rocks and ice.

C) Its internal structure is layered with density increasing with depth.

D) Its surface has two distinct rock types.

C) Its internal structure is layered with density increasing with depth.

Quiz 3: Unit 2. Part 3. Question 9. Watch the Unit 2 Part 3 lecture video and answer the following question: Which type of meteorite does not come from a differentiated asteroid?

A) Iron

B) Stony iron

C) Stony

D) Chondritic

D) Chondritic

Quiz 3: Unit 2. Part 3. Question 10. Watch the Unit 2 Part 3 lecture video and answer the following question: Which of the following is evidence that the Moon formed from a giant impact?

A) It has a small core

B) It has a large core

C) It has no core

D) It contains lots of ices

A) It has a small core