The Universe and Our Solar System

There are ___ planets in our solar system.

• 8

• 9

• 4

• 12

Venus and Earth are similar in ____

• size

• color

• atmospheric composition

• name

Comets have an ______ orbit

• irregular

• elliptical

• small

• square

The asteroid belt is located

• Between Mars and Jupiter

• Between Jupiter and Saturn

• Behind Neptune

• Between the sun and Mercury

Our Solar System is located in the _____ galaxy

• Sirius

• Andromeda

• Snickers

• Milky Way

What two forces combine to keep a planet in its orbit?

• gravity and inertia

• gravity and mass

• mass and inertia

• rotation and revolution

Mercury, Venus, Earth, and Mars are considered

• small planets

• inner planets

• terrestrial planets

• all of the above

Which of the following is a characteristic of large planets

• close to the sun

• rings

• life

• rocky

The milky way galaxy is home to

• pluto

• venus

• earth

• all of the above

What is the reason why most solar system models are inaccurate?

• They are not to scale.

• They are the wrong color.

• The planets on the model are too far apart.

• The planets on the model are too small.