Chapter 6 Lesson 5, :Asteroids, Meteors, Comets, and Moons

A large, round object that revolves around the sun but has not cleared the region around its orbit is called a

• dwarf planet

• moon

• star

A(n)  _________  asteroid  comet  meteor  is a frozen mass of different types of ice and dust orbiting the sun.

• asteroid

• comet

• meteor

A rocky mass up to several hundred kilometers wide that revolves around the sun is a(n)  _______ .

• asteroid

• comet 

• meteor 

How are comets and asteroids alike?

• A.

  They both are ice and dust.

• B.

  They both orbit the sun.

• C.

  They both follow very stretched-out, elliptical paths.

• D.

  They both are found between Mars and Jupiter.

What is a small rocky piece from space that strikes Earth's surface?

• A.

  meteorite

• B.

  meteor

• C.

  meteoroid

• D.

  shooting star

How are all the moons in the solar system alike?

• A.

  They all have atmospheres.

• B.

  They all are uneven shapes.

• C.

  They all have volcanoes.

• D.

  They all orbit planets.