Science 7 - Final Exam Vocabulary Review 2025

Front

Vacuum

Back

A volume of empty space. Example: Space is considered a vacuum. Sound CANNOT travel in a vacuum.

Front

Wave

Back

A disturbance that transfers energy from point to point in a medium.

Front

Amplitude

Back

The height of a wave.

Front

Wavelength

Back

The distance between 2 crests or 2 troughs in a wave.

Front

Frequency

Back

A measure of the number of wave crests that pass a fixed point per second.

Front

Electromagnetic Radiation/Spectrum

Back

A range of frequencies that corresponds to all different forms of electromagnetic radiation in the universe.

Front

Refraction

Back

Bending of light when it goes from one medium to another (e.g., "Broken" pencil in water).

Front

Reflection

Back

When light bounces off an object.

Front

Pitch

Back

Frequency of sound (higher frequency, higher the pitch).

Front

Loudness

Back

Loudness of a sound depends on the amplitude of the wave. Higher amplitude = loud. Lower amplitude = soft.