THE DISTANCE BETWEEN CORRESPONDING POINTS ON TWO WAVES.

THE NUMBER OF WAVES THAT PASS A GIVEN POINT IN ONE SECOND.

A TYPE OF ELECTROMAGNETIC RADIATION

TO TAKE IN OR SOAK UP

THE BOUNCE OF A LIGHT WAVE OFF ANOTHER OBJECT

THE BENDING OF A LIGHT WAVES WHEN THEY PASS EACH OTHER

THICKER IN THE MIDDLE THINNER AT THE EDGES CAN MAKE THING LOOKS BIG

THINNER IN THE MIDDLE THICKER AT THE EDGES MAKES THINGS LOKK SMALLER

A MATERIAL THAT ALLOWS LIGHT TO GO THROUGH ALL THE WAY

A MATERIAL THAT SCATTERS LIGHT MATERIAL THAT LETS A LITTLE LIGHT THORUGH

MATERIAL TAHT DOES NOT LET LIGHT THROUGH

OBJECT THAT RELFECTS LIGHT INTO A COLOR SPECTRUM

CONNECTING BANDS OF COLOR ROYGBIV