Ch 23 The Solar System

The four terrestrial planets all have

• Rocky surfaces
• Hot temperatures
• Deep atmospheres
• Large size

The planet Venus is similar to Earth in its 

• Rotation
• Internal structure
• Atmospere
• Surface temperature

The _______ is between the orbits of Mars and Jupiter. 

• Oort Cloud
• Asteroid belt
• Kuiper belt
• Photosphere

The moon of Jupiter that astronomers think could support forms of life because there is liquid water under the layers of ice is...

• Ganymede
• Europa
• Io
• Titan

The _____ is found right after Neptune's orbit. 

• Meteroid belt
• Kuiper Belt
• Oort Cloud
• Asteroid Belt

______ are meteoroids that entered our atmosphere and hit Earth without completely burning up. 

• Meteors
• Comets
• Meteorites
• Asteroid

Meteoroids usually come from _______ or asteroids. 

• Meteors
• Comets

The planet ____ rotates on its axis in about the same amount of time as Earth does. 

• Mercury
• Venus
• Mars
• Pluto

Mars has two moons that are named...

• Io & Titan
• Phobus & Io
• Demos & Phobus
• Demos & Titan

The planet _____ has an atmosphere with high air pressure made mostly of carbon dioxide. 

• Venus
• Earth
• Mercury
• Mars