Name that planet
Here Comes the Sun
Moons and More
Space Facts
100

The first planet from the sun

What is Mercury?

100

This bright object is the closest star to Earth and gives us light and heat every day.

What is the sun?

100

This is the name of Earth's only natural satellite.

What is the moon?

100

This force keeps the planets in orbit around the Sun.

What is gravity?

200

This planet is known as the "Red Planet."

What is Mars?

200

The Sun rises in this direction and sets in the opposite.

What is the east?

200

This planet has the most moons in our solar system.


What is Jupiter?

200

This is the name of our galaxy.

What is the Milky Way?

300

This planet is the largest in our solar system.

What is Jupiter?

300

The Sun rises in this direction and sets in the opposite.

What is rotation?
300

This moon of Saturn has huge geysers and might have an ocean under its icy surface.


What is Enceladus?

300

The Sun, planets, moons, and asteroids all make up this system.

What is the solar system?

400

These are the four planets closest to the Sun and are made of rock.

What are the terrestrial (or inner) planets?

400

The Sun is mostly made of these two gases that are also the lightest elements.

What is hydrogen and helium?

400

This large moon of Jupiter is even bigger than Mercury.

What is Ganymede?

400

These small rocky objects mostly orbit the Sun between Mars and Jupiter.

What are asteroids?

500

This planet rotates on its side and has faint rings; it’s often called the “ice giant.”

What is Uranus?

500

This invisible form of energy from the Sun can cause sunburn and is blocked by Earth’s ozone layer.


What is ultraviolet (UV) radiation?

500

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?

500

These icy objects have long tails and come from the outer edges of the solar system.


What are comets?