HomeVocabularyScienceGrades 7–8 › Momentum
Science · Grades 7–8

Momentum

noun

The quantity of motion of a moving body, equal to mass times velocity.

Example Sentences

"A heavy truck has more momentum than a bicycle at the same speed."

"According to Newton's law, momentum is conserved in collisions."

Synonyms & Related Terms

impetusforce of motion

Quick Check

Which best describes the meaning of momentum?

Study Tips

To remember momentum, 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.