Deck 50: Impacts on Earth

Question 1

A small body floating in space is called a

A) fireball.
B) meteoroid.
C) meteor.
D) meteorite.

Answer 1

meteoroid.

Question 2

Most meteorites that are found are

A) achondrites.
B) chondrites.
C) stony irons.
D) irons.

Answer 2

chondrites.

Question 3

The crater in Arizona is called

A) Tunguska
B) Wolf Creek
C) Barringer
D) Manicouagan

Answer 3

Barringer

Question 4

Small chunks or grains in meteors are called

A) organic bumps.
B) meteor bumps.
C) Chondrules.
D) meteorites.

Question 5

Carbonaceous Chondrites contain a larger amount of _____.

Question 6

The Chicxulub crater may be a remnant of an impact that led to the extinction of the _______________ .

Question 7

Tunguska event occurred in Arizona.

Question 8

The mass extinction that occurred 65 million years ago was caused by a 100 km body.