A _________________ is composed of thousands of millions of stars.

The name of the group made up by the sun and the celestial bodies that travel around it is ___________________.

Our galaxy is called _____________________.

The periods of the year that have a particular characteristics and that are repeated year after year are called ___________________.

True or False:

Earth has three layers: crust, mantle and core

True or False:

Earth is mostly covered in land.

True or False:

Earth is a rocky planet.

True or False:

Earth is the fourth planet of the Solar System from the sun.

True or False:

The mantle layer is made out of melted rock.

True or False:

The crust layer is composed of solid metal.

This picture describes about Earth's ____________________.

This picture shows Earth's ______________________.

This picture shows about what happens during a ____________________.

This picture shows about what happens during a ____________________.

How many phases of the moon are there?

What is the name of this moon phase?

What is the name of this moon phase?

How long does it take for Earth to orbit around itself?

How many planets are in the Solar System?

This picture shows which climatic zone?

This is an example of a(n) ____________________.

The inner layer composed by solid metals is called ________________.

The part of Earth receiving direct sunlight and it's hot all year is called _________________.