Front

When an object absorbs another substance

Back

Absorption

Front

Light bending through an object

Back

Refracted

Front

To give off or produce

Back

Emit

Front

Light spreads out and is deflected through a substance.

Back

Scattered

Front

Light passing through an object

Back

Transmitted

Front

Top of a wave (hill) in a wave diagram

Back

Crest

Front

Bottom of a wave (valley)

Back

Trough

Front

Distance between two wave crests

Back

Wavelength

Front

Colorless gas formed by electricity/UV light through O2, creating a layer that scatters UV rays, protecting life.

Back

Ozone

Front

Gases surrounding Earth, forming the boundary with space.

Back

Atmosphere