Ch 11 test study guide

25. The outer planets are mainly composed of which of the following?

• hydrogen and helium

• nitrogen and helium

• oxygen

____ are pieces of rock that strike the surface of a moon or planet.

• meteroids

• meteor shower

• comets

• Meteorites

Neptune was the last planet to be visited by the ____ space probe.

• Voyager II

• Titan

• Neptune

____ for a planet to form in the asteroid belt.

• It was too cold

• Jupiter's gravity may have been too great

• The asteroids moved too slowly

Mercury is the ____ planet from the Sun

• 5th

• 4th

• 3rd

• 1st

____ has colorful clouds in bands of white, red, tan, and brown.

• Jupiter

• mercury

• mars

• earth

Which of the inner planets have no atmosphere?

• Mars

• Mercury

• Venus

• Earth

The order of the inner planets outward from the Sun is ____

• mars venus earth mercury

• mercury earth mars

• mercury venus earth mars

• jupiter saturn uranus

Which dwarf planet is located in the asteroid belt?

• Ceres

• Jupiter

• uranus

Solar energy trapped by gases in Venus's atmosphere causes ____.

• greenhouse effect

• clouds

• slow rotation