Planet Fun Facts

Matching Worksheet

Mercury ____ 1. Named after the king of the Roman Gods, this planet has the

biggest moon in the solar system, Ganymede, which is bigger than Mercury and Pluto.

Venus____      2. Named after the bloody red God of the ancient Romans, this

planet has the tallest volcano in the Solar System, Olympus Mons, which is 15 miles high; 3 times the height of Mount Everest.

Earth____       3. Being the only planet whose name comes from Greek

mythology instead of Roman mythology, this planet is the coldest even though it is not the furthest away from the Sun.

Mars____        4. Estimated to be about 4.5 billion years old, this planet travels

through the Solar System at 660,000 miles per hour. 

Jupiter____     5. Named after the Roman sea God, this planet has 8 moons, a

rocky core, and winds there can blow up to 1,240 miles per hour.

Saturn____      6. Named after the Roman Goddess of love and beauty, this

planet is known as Earth’s twin sister because of their similarity in size and proximity to each other. This planet also has a longer day than its year, because it takes longer to rotate on its axis than to orbit the Sun.

Uranus____     7. The ancient Romans named this planet after their swift

messenger. It has no moons, is the most iron rich planet, and because of its lack of an atmosphere, its sky is black and the stars are visible during the day. 

Neptune____  8. Named after the Roman God of agriculture, this planet has 7

thin rings around it, made up of billions of rocks and dust. It has the lowest density of all the planets, in fact it would float if we put it in a big enough
body of water. 

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