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Science · Grades 3–4

Velocity

noun

The speed of an object in a specific direction.

Example Sentences

"The rocket reached a velocity of 11,000 meters per second."

"Velocity includes both how fast something is moving and in what direction."

Synonyms & Related Terms

speedrate

Quick Check

Which best describes the meaning of velocity?

Study Tips

To remember velocity, try writing it in a sentence of your own. Connect it to something you already know about science.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.