Asteroids, Comets, Meteors

Question 1

Comet origin + meaning

Answer 1

Greek word ‘hair’

Question 2

Comets are loose collections of _______

Answer 2

ice, dust, and small rocky particles

Question 3

Outer Layer of a comet’s head

Answer 3

Coma

Question 4

Solid Inner Core of a comet’s head

Answer 4

Nucleus

Question 5

When the comet approaches the sun, it forms a tail by ___

Answer 5

the gas and dust streaming outward

Question 6

2 comet tails

Answer 6

Gas (ion) and Dust

Question 7

Comet tail can be ____long

Answer 7

100 million km

Question 8

Comets move in an ____ shaped orbit

Answer 8

elliptical

Question 9

2 regions of comet

Answer 9

Kuiper belt and Oort cloud

Question 10

When debris forms an orbiting tail which falls to Earth, it becomes a ____

Answer 10

Orionids meteor shower

Question 11

Asteroids are ____ and are made of _______

Answer 11

small and rocky space objects, metals, silicon, iron, nickel, carbon

Question 12

Asteroid belt is between

Answer 12

Mars and Jupiter

Question 13

____ known asteroids over .5 m in diameter in the asteroid belt

Answer 13

40000

Question 14

About ____ smaller asteroids

Answer 14

100000

Question 15

No. of cataloged asteroids

Answer 15

3000

Question 16

First and biggest asteroid + date

Answer 16

Ceres and 1801

Question 17

Meteor is ____

Answer 17

meteoroid that enters the Earth’s atmsphr and burns up

Question 18

Meteroroids that pass through the atmosphere

Answer 18

Meteorites

Question 19

When a meteorid enters the atmsphr, _______ creates heat and produces a _____

Answer 19

friction w/ the air, streak of light

Question 20

Classifications of Meteors

Answer 20

Stony, iron, or stony-iron

Question 21

Halley’s comet appears every __ years

Answer 21

76

Question 22

Mar’s moons

Answer 22

Phobos and Deimos

Question 23

Small and rocky space object

Answer 23

Asteroid