Planets
The planet closest to the sun
What is Mercury?
Earth's only natural satellite
What is the Moon?
A chunk of space rock that burns up in Earth's atmosphere.
What is a meteor?
Center of our Solar System.
What is the Sun?
The shape of the Earth's orbit.
What is an ellipse?
The only planet known to support life
What is Earth?
The icy dwarf planet in the asteroid belt
What is ceres?
A rock in space that hits Earth's surface
What is a meteorite?
The sun is mostly made of this gas
What is hydrogen?
The planet with the most moons
What is Saturn?
The largest planet in our Solar System
What is Jupiter?
Jupiter's largest moon
What is Ganymede?
Icy space objects with tails that glow near the sun.
What is a comet?
The process the sun uses to make energy
What is nuclear fusion?
The invisible force that keeps the planets in orbit
What is gravity?
This planet is tipped on its side and spins like a rolling ball
What is Uranus?
The largest moon of Saturn
What is Titan?
Region between Mars and Jupiter full of rocky debris
What is the asteroid belt?
The layer of sun you can see from the Earth
What is the photosphere?
The name of NASA's most famous Mars rover that landed in 2021.
What is Perseverance?
The planet with the longest orbit around the Sun
What is Neptune?
This dwarf planet was once the 9th planet
What is Pluto?
Name of the famous comet that returns every 76 years
What is Halley's Comet?
The type of star that will be the sun's final form
What is the white dwarf?
This force causes the Moon to always face the Earth
What is tidal locking?