The Inner Planets

Which is not a terrestrial planet

• Earth

• Jupiter

• Venus

• Mars

• Mercury

Why is Venus hotter than Mercury

• Greenhouse gasses

• Venus is closer to the Sun

• One side of Venus always faces the Sun

Which is not true about the atmosphere of the inner planets

• Mercury has no atmosphere

• Mar's atmosphere is less dense than Earths

• Venus's atmosphere is made of 97% carbon dioxide

• Earth is the only planet with an atmosphere

Which of the inner planets has the greatest mass

• Mercury

• Venus

• Earth

• Mars

Which describes the greenhouse effect?

• effect of gravity on temperature

• energy emitted by the Sun

• energy trapped by atmosphere

• reflection of light from planet

How are the terrestrial planets similar?

• similar densities

• similar diameters

• similar periods of rotation

• similar rocky surfaces

Which inner planet is the hottest

• Earth

• Mars

• Mercury

• Venus

The photo shows how Earth appears form space. How does Earth differ from other inner planets?

• Its atmosphere contains large amounts of methane

• Its period of revolution is much greater

• Its surface is covered by large amounts of liquid water

• Its surface temperature is higher