The first planet from the sun
What is Mercury?
This bright object is the closest star to Earth and gives us light and heat every day.
What is the sun?
This is the name of Earth's only natural satellite.
What is the moon?
This force keeps the planets in orbit around the Sun.
What is gravity?
This planet is known as the "Red Planet."
What is Mars?
The Sun rises in this direction and sets in the opposite.
What is the east?
This planet has the most moons in our solar system.
What is Jupiter?
This is the name of our galaxy.
What is the Milky Way?
This planet is the largest in our solar system.
What is Jupiter?
The Sun rises in this direction and sets in the opposite.
This moon of Saturn has huge geysers and might have an ocean under its icy surface.
What is Enceladus?
The Sun, planets, moons, and asteroids all make up this system.
What is the solar system?
These are the four planets closest to the Sun and are made of rock.
What are the terrestrial (or inner) planets?
The Sun is mostly made of these two gases that are also the lightest elements.
What is hydrogen and helium?
This large moon of Jupiter is even bigger than Mercury.
What is Ganymede?
These small rocky objects mostly orbit the Sun between Mars and Jupiter.
What are asteroids?
This planet rotates on its side and has faint rings; it’s often called the “ice giant.”
What is Uranus?
This invisible form of energy from the Sun can cause sunburn and is blocked by Earth’s ozone layer.
What is ultraviolet (UV) radiation?
This is the term for a moon that orbits a planet in the opposite direction of the planet’s rotation.
What is a retrograde moon?
These icy objects have long tails and come from the outer edges of the solar system.
What are comets?