Simple Space Test This quiz will test your knowledge when it comes to space. This quiz will have 7 questions. Please comment what you got on this quiz. This test is built for 3-5 graders. OmarShariff2005 published on December 28, 201513 responses 0 Questions in vertical order What planets are the Inner Planets? Mercury, Jupiter, Saturn, and Earth Mercury, Venus, Earth, and Mars. Jupiter Saturn, Uranus, and Venus What planets are the Outer Planets? Jupiter, Saturn, Uranus, and Neptune Earth, Saturn, Neptune, and Uranus Neptune, Mars, Venus, and Uranus What is the biggest planet of the Outer Planets? Uranus Jupiter Neptune What is a Dwarf Planet in the Solar System. Pluto Neptune Mars How many moon(s) does Earth have? 3 1 6 What is the difference between the Inner Planets and the Outer Planets. The Inner Planets are gaseous while the Outer Planets are rocky. The Inner Planets are rocky while the Outer Planets are gaseous. There is no difference between the Inner and Outer Planets What is the correct order of the planets. Mercury, Neptune, Uranus, Earth, Saturn, Venus, Jupiter, and Mars. Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. Venus, Earth, Mercury, Uranus, Mars, Saturn, Jupiter, and Neptune.