Earth rotates on its axis.
Meaning: This sentence describes the natural phenomenon of the earth, which is the third planet from the sun, turning around an imaginary line that passes through its center.
Choice of Words: Earth is the third planet from the sun. Rotates means to turn around an axis or center. On means in or at a particular place or position. Its is used to refer to something that belongs to a particular person or thing. Axis is an imaginary line that passes through the center of a rotating object.
Alternative Expressions
Related Expressions