Space Vocab Quads

Front

What is the change in sound frequency caused by the motion of the sound source, the motion of the listener, or both?

Back

Doppler effect

Front

What term describes the process of getting larger or increasing the distance between two given objects?

Back

Expansion (Inflation)

Front

What is the name of the device built to observe distant objects by making them appear closer?

Back

Telescope

Front

What term refers to the range of all frequencies or wavelengths of electromagnetic radiation?

Back

Electromagnetic spectrum

Front

What is the name of the instrument that separates light into a spectrum?

Back

Spectroscope

Front

What is the principle that explains how light behaves when it passes through different mediums?

Back

Refraction

Front

What is the phenomenon called when light waves bend around obstacles or openings?

Back

Diffraction

Front

What is the term for the distance between two consecutive peaks of a wave?

Back

Wavelength

Front

What is the name of the effect that describes the change in frequency of a wave in relation to an observer moving relative to the source of the wave?

Back

Doppler effect

Front

What is the term for the highest point of a wave?

Back

Crest