Vocabulary For High School Students Practice Test

THERM, THERMO denote which?

Light Heat Cold Sound

Correct Answer:

Heat

Explanation:

THERM and THERMO denote heat. These Greek roots appear in many science terms that relate to heat energy, temperature, and heating processes. They show up in thermometer, thermal, thermostat, and thermodynamics, all focusing on how heat behaves or is measured. That link to heat is why this is the right choice. The other options refer to different ideas—light would be signaled by roots like photo-, cold by cryo-, and sound by acoust- or phon-—but therm- is the one that marks heat.

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