Inner Planets
This is the only planet that we know of with life and liquid water.
What is Earth?
This planet has such low density that it would float on water.
What is Saturn?
This dwarf planet was reclassified in 2006. It has 5 moons.
What is Pluto?
This moon is affected by the gravity of Europa and Jupiter.
What is Io?
This contains over 99% of the mass in the solar system.
What is the Sun?
This planet is the smallest in the solar system. It has no atmosphere.
What is Mercury?
This is the largest planet in the solar system. Its mass is equal to all the other planets combined times 2!
What is Jupiter?
This dwarf planet is the largest in the solar system. It is also the farthest from the Sun.
What is Eris?
This moon has a warm ocean which generates thermal energy as it orbits Jupiter.
What is Europa?
This is a huge storm on the surface of Jupiter. It is as wide as two Earths.
What is the Great Red Spot?
This is the hottest planet in the solar system. Its day is longer than its night due to its slow rotation.
What is Venus?
This orbits the Sun in between Mars and Jupiter.
What is the asteroid belt?
What is Makemake?
This term encompasses the 4 largest moons of Jupiter, named after the person who discovered them.
This is the scientific term used to discuss making another planet more like Earth.
What is terraforming?
This planet is 1/2 the size of Earth, with a red surface due to its high iron oxide content.
What is Mars?
This planet is the farthest from the Sun. Its orbit takes 165 years.
What is Neptune?
This dwarf planet orbits the Sun in the Kuiper belt. It has 2 moons.
What is Haumea?
This moon is the only one in the solar system with an iron core, which generates a magnetic field.
What is Ganymede?
This phenomenon happens when the atmosphere traps thermal energy. This heats up the surface of the planet.
What is the greenhouse effect?
There are only 3 of these orbiting the inner planets.
What are moons?
These are made from ice and dust, orbiting all gas giant planets.
What is a ring system?
This dwarf planet is the smallest in the solar system. It orbits the sun in the asteroid belt.
What is Ceres?
This moon of Neptune has nitrogen geysers.
What is Triton?
This is the name that encompasses meteors and meteorites.
What is a meteoroid?