A comet is made mostly of

• ice

• dust

• fire

• oxygen

The orbital path of the planets in our solar system is

• in a perfect circle

• elliptical but looks circular

• large ellipse

• varying from planet to planet

The rocky (terrestrial) planets are

• furthest from the sun

• closest to the sun

All of the following are properties of Mars EXCEPT

• abundance of liquid water on planet

• one or more moons in orbit

• constantly in motion

• predictable orbital path

Which is common between all the planets?

• mass

• diameter

• shape

• composition

The rocky objects that orbit in space are called

• planets

• asteroids

• comets

• meteors

A meteor is a

• irregular solid orbiting between Mars and Venus

• dust to small rocks due to breakup of comets

• solids made of rock and ice with elliptical orbits

• solids that have been pulled in by gravity around planets

Neptune has an orbit of 165 years because it

• is the largest planet

• is furthest from the Sun

• has more gravity

• Revolves fast

The Earth____________around the sun as it _______________ to cause night and day.

• rotates/revolves

• revolves/revolves

• rotates/rotates

• revolves/rotates

The Gas Giants are

• furthest from the sun

• closest to the sun

• the smallest planets

• rocky planets