Planet Test Solar System Quiz Question Title * 1. What planet is furthest from the sun? Earth Mars Neptune Uranus Question Title * 2. What Planet is the closest to the sun? Mars Pluto Mercury Venus Question Title * 3. The largest volcano in our Solar system is called Olympus Mons. Where is it located? Mars Jupiter Earth Mercury Question Title * 4. What are comets made of? Rusty metal Hot liquid gas snow, ice and dust Star dust and rock Question Title * 5. Which of these best describes the Atmosphere around venus? Sunny and bright hot and poisonous Snowy and wet Freezing and Toxic Question Title * 6. How many moons does Mars have? 10 2 8 13 Question Title * 7. What is the great spot on Jupiter? Storm Crater Volcano Lake Done