Chapter 11 Review

What shape is the orbit of the planets?

• Circle

• Oval

• Elliptical

• Square

What is an astronomical unit?

• The average distance from Earth to Mars

• The average distance from Earth to the Sun

• The average distance from Earth to the moon

• 13 km

Which planets have rocky surfaces?

• Inner

• Outer

• Mars, Earth, and Jupiter

• Mercury, Earth, and Neptune

What are the inner planets also called?

• Gas Giants

• Rockies

• Terrestrial

• Greenhouse Planets

Which of the following is NOT a characteristic of inner planets?

• Solid/Rocky surface

• Mantle

• Iron & Nickel Core

• Rings

• Impact Craters

Which of the following is not true about Earth's atmosphere?

• Has water vapor

• Protects from sun's radiation

• Is mostly carbon dioxide

• Has oxygen

Why is Venus’s average surface temperature greater than Mercury’s?

• Mercury has a thicker atmosphere.

• Venus is closer to the Sun than Mercury is.

• Venus has a strong greenhouse effect.

• Mercury has a thicker atmosphere than Venus.

The gravitational forces on the outer planets apply tremendous __________, which changes gas to liquid.

• Pressure

• Intimidation

• Temperatures

• Hydrogen

The outer planets are composed largely of           gas.

• Hydrogen

• Oxygen

• Carbon Dioxide

• Methane

Which statement is true of every outer planet?

• Each has a solid, rocky exterior.

• Each has a similar period of revolution.

• Each has an extremely tilted axis of rotation.

• Each has gas and liquid around its solid core.