ALBUM- Invisible Light

INTRODUCTION: all waves carry energy from place to place. yet the way a waves carries energy depends on the kind of wave motion. Sound waves are produce by vibrition. As a string or bar or some others objects vibrates, it cause molecues of gas in the air to moves back and forth.

Radio Waves:  is the longest waves of electromagnetic spectrum. Carry signals in codes ( AM. FM.) radio waves carry sounds.

Microwaves:  is a short wave than radio waves. water in food is absorb microwaves readly.

Infrared Light:   infrared means ¨ just beyond red ¨

Ultraviolet Light:  is made up of waves just shorter than visible violet light on the spectrum. UV causes chemical changes.

X Rays : can pass throungh most objects. Thicker or denser objects  tend to absorb X Rays.

Gamma Rays: is the shortest wavelengths of the spectrum.