Earth

Definition

Earth is our home planet. It is a big, round ball that is covered in land and water. We live on Earth, and so do many other plants and animals.

It is the third planet from the Sun and the only known planet to support life.

It is a terrestrial planet, meaning that it is made up of rock and metal.

How can the word be used?

The Earth is the third planet from the Sun.

Different forms of the word

Noun: earth, terra, tellus, world, globe, orb.

Adjective: earthly, terrestrial, tellurian.

Verb: to earth, to ground.

Adverb: earthward, terrestrially.

Etymology

The word "Earth" comes from the Old English word "eorþe", which means "ground" or "soil". It is made up of the two Old English words "er" (ground) and "þe" (earth).

Question

What can be found on Earth?