earth

We live on the planet Earth. 

  • How long have human beings been on Earth? 
  • The earth provides an abundance of natural resources. 
  • Someday human beings will disappear from the face of the earth. 
photo of outer space

From high above the Earth, you can see light coming from the areas where people are living. 

a. Earth = a planet

Earth is between Venus and Mars. It’s the third planet from the sun. The word “Earth” is capitalized when used as a proper noun that refers to the name of the planet. 

  • We live on the planet Earth. 
  • It would take several months to travel between Earth and Mars. 
  • We need to protect the Earth because it’s the only planet we can live on.  
  • Life on Earth is pretty good. 

When referring to our planet as a place that has geographical features, don’t capitalize the word. 

  • The earth below my feet is millions of years old. 
  • Native Americans have great reverence for the earth, the moon, the sky, the sun, and the oceans. 
  • You can feel the earth shake during an earthquake. 

a. Earth = a planet

earth, planet, space-11009.jpg
  • Viewed from a distance, the Earth looks mostly blue because of all the water on it. 
  • Earth is a water planet. 

b. earth = soil

You can refer to soil on which planets grow as earth or the earth

  • That machine can move enormous amounts of earth. 
  •  In the springtime during the rainy season, you can smell the wet earth. 
  • The color of the earth is red in places that have high amounts of iron. 
  • There are many interesting object that are buried in the earth. 
  • Skyscrapers are anchored by pylons that go deep below the earth. 

b. earth = soil

Eye-level Photo Of Cultivated Land
  • The color of the earth here is brown. 
  • It feels good to dig in the earth with a shovel. 
orange and white excavator on brown ground during daytime
  • This machine can move a lot of earth. 

c. expressions

Here are some popular expressions that include the word “earth.” 

  • What on earth is he doing? (This expresses surprise or shock regarding a person or a situation.) 
  • The people who live in this state are very down-to-earth. (down to earth = genuine; authentic; not fake)  
  • I would go to the end of the earth to help my kids. (go to the ends of the earth = do anything possible for an important reason)
  • Dolly Parton was loved by so many people because she was the salt of the earth. (salt of the earth = a good, very common person. This is similar to “down to earth.”) 
  • An extinct species is an animal, plant, or insect that has disappeared from the face of the earth. (the face of the earth = the present reality on the Earth) 

c. expressions

woman and girl painting on wall
  • Dolly Parton was a very down-to-earth entertainer. Everyone loved her.   
Close-Up of Two Polar Bears on Rocky Terrain
  • If we don’t do anything to protect polar bear habitat, the species might disappear from the face of the earth.