Download Inner Planet Fact Chart (Completed)

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The Inner Planets
Complete the following chart by providing the essential facts about each of the inner
planets’ surface and atmospheric features.
Planet
Surface
Atmosphere
o Has flat plains
o Has craters named after famous
artists/musicians
o Very thin atmosphere
o Has extreme temperature ranges
o Contains traces of sodium
o Covered in rocks similar to
those of Earth
o Has craters
o Has volcanoes
o Has strange domes not found
on other planets
o Has thick clouds
o Mostly made of carbon dioxide
o Is extremely hot due to
greenhouse effect
Mercury
Venus
o
o
o
o
o
Has a core, mantle, and crust
Has a solid, rocky surface
70% covered with water
Has volcanoes
The core is made of molten
iron.
o Has ice at its poles
o Extends 100 km above Earth’s
surface
o Is about 20% oxygen
o Contains mostly nitrogen
o Contains clouds of water vapor
o It’s possible to see through the
clouds from space.
o Moderate temperatures
o Has rusty red color because of
iron in soil
o Has ice at its poles
o Has a rocky surface
o Has volcanoes
o Has craters
o 1% the pressure of Earth’s
atmosphere
o Has thin clouds
o Mostly carbon dioxide
Earth
Mars