Mercury, Venus, Mars Review

A year on Mercury takes____ Earth days.

• 88

• 54

• 176

It takes Mercury ____ days to rotate around its axis once.

• 58.65

• 87.97

Mercury has _____ atmosphere.

• a thick

• almost no

• an Earth like

One light and dark day on Mercury is about _____

• 176 Earth days

• 24 hrs

Mercury is the ___ planet.

• smallest

• 3rd largest

• biggest

Mercury has _____ geological activity.

• a lot of

• no

Mercury has water ice found ______

• in cold traps

• in oceans on the equator

Venus's orbit is _____ days

• 225

• 365

Venus is almost the same size as ______

• Earth

• our moon

Venus has a slow backward rotation of _______

• 243 Earth days

• 423 Earth days