HomeVocabularyScienceGrades 5–6 › Photon
Science · Grades 5–6

Photon

noun

A particle of light that carries a specific amount of electromagnetic energy.

Example Sentences

"Photons from the sun carry solar energy to Earth."

"A photon has no mass but travels at the speed of light."

Synonyms & Related Terms

light particle

Quick Check

Which best describes the meaning of photon?

Study Tips

To remember photon, 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.