Lesson 6 - Dwarf Planets and Other Orbiting Objects

Question 1

asteroid

Answer 1

a rock that orbits the sun

Question 2

comet

Answer 2

an icy, gaseous object that orbits the sun

Question 3

nucleus

Answer 3

the center of an object, especially an atom or an astronomical body

Question 4

portend

Answer 4

to indicate, as predictive of a future (usually undesirable) event

Question 5

Dwarf planets are also called _____.

Answer 5

planetoids

Question 6

_____ is a dwarf planet because it is located outside of the orbit of Pluto.

Answer 6

Eris

Question 7

Pluto is a dwarf planet because it is located in the _____ Belt.

Answer 7

Kuiper

Question 8

_____ is a dwarf planet located in the asteroid belt of Kuiper between Mars and Jupiter.

Answer 8

Ceres

Question 9

The _____ are asteroids that follow Jupiter’s orbit.

Answer 9

Trojans

Question 10

The _____ asteroids are a danger to the Earth

Answer 10

Aten

Question 11

The first asteroid discovered was _____.

Answer 11

Ceres

Question 12

A _____ has a nucleus, a corona, and a tail.

Answer 12

comet

Question 13

Comets originate in the _____ Cloud.

Answer 13

Oort

Question 14

_____ Comet orbits the sun every 76 years.

Answer 14

Halley’s

Question 15

The _____ Comet made a spectacular appearance in 1997.

Answer 15

Hale-Bopp

Question 16

Impact _____ are formed when large meteorites strike.

Answer 16

craters