Welcome to the Knowledge Mouse Online Quiz
Our Solar System Study Guide
| Questions |
Answers |
| The center of our solar system |
Sun |
| Planet closest to the sun |
Mercury |
| Planet farthest from the sun |
Neptune |
| a natural satellite that orbits a planet |
moon |
| Time it takes Earth to rotate once |
24 hours / 1 day |
| Time it takes Earth to orbit the Sun |
365 days |
| Pluto, Eris, Ceres |
dwarf planets |
| Large, irregularly shaped rocky or metallic objects that orbit the Sun |
asteroids |
| bodies of ice, frozen gases, rock, and dust that travel in elliptical orbits from far beyond the outermost planet to the Sun |
comets |
| Where most asteroids in the solar sysstem are found |
Asteroid Belt |
| Home for the shortest and longest days of the year |
Summer & Winter Soltice |
| Days with 12 hours of daylight |
autumnal and vernal equinoxes |
| Number of days between each New Moon |
about 30 days |
| Phase of the Moon that is NOT visible from Earth |
New Moon |
| Mercury, Venus, Earth, Mars |
inner planets |
| Jupiter, Saturn, Uranus, Neptune |
outer planets |
| Planets known as terrestrial planets |
rocky surfaces |
| Planets farther away from the Sun |
gas giants |
| The imaginary line through the center of a planet around which the planet rotates |
axis |
| What causes planets to orbit the Sun? |
Sun's gravity |
