biosphere
Earth
habitable zone
hydrosphere
inner planets
Milky Way
magnetic field
moon
ozone layer
season

I learned that the word 1. ______means ground. It belongs to the group of 2._____and it sits within the 3._____Galaxy. Its marble blue color from afar reveals its vast 4._______making up its bigger portion than the visible land. The Earth has one 5._______ and no rings. The Earth is the only planet known to have a favourable support for life. Its place in the galaxy makes it to be in the 6.______Its tilt gives the Earth a variable 7._______ and a stable climate. Its rocky composition houses the 8._______and its core provides The 9._______ in the core repels solar winds. The perfect atmospheric composition provides the earth a protective blanket. The 10._______ protects the Earth with the harmful rays of the sun.​