Roumanis, Alexis

Did you know that rings circle around Saturn? They are made of rock and ice. Learn more in Saturn.

?Sab?as que la Tierra est? hecha de rocas, agua y hielo? La Tierra es el ?nico planeta conocido que tiene oc?anos de agua. M?s informaci?n en la Tierra.

Did you know that Uranus is the only planet that spins on its side? Uranus has a liquid center. Learn more in Uranus.

Did you know that Venus has many large volcanoes? Maat Mons is the highest volcano on Venus. Learn more in Venus.

Did you know that Neptune is called an ice giant? It is a large planet made of ice. Learn more in Neptune.

Habla sobre las plantas, los animales y las caracter?sticas del bioma del desierto.

Did you know that Mars is about half the size of Earth? Mars is sometimes called the Red Planet because iron in the soil makes it look red. Learn more in Mars.

Discusses the plants, animals, and characteristics of the grassland biome.

Did you know Mercury is the smallest planet in the solar system? Since it is mostly made of iron, Mercury is very heavy. Learn more in Mercury.

Did you know that the continent of Africa is home to animals that people in other parts of the world can only see in zoos? Elephants, gorillas, cheetahs, lions, and giraffes can all be found in Africa.