ELECTROMAGNETIC WAVES

What are the 7 em waves (largest wavelength to lowest)

Radio waves

microwaves

infrared

visible light

ultraviolet

x rays

gamma rays

What is the purpose of Radio waves

TV broadcasting

What are microwaves used for

Cooking

What are infrared used for

cook

night vision

What is light signals used for

sight

Uses of ultraviolet

tanning salon

detecting fake or real money

Uses of x ray

security

medical scans

uses of gamma rays

cancer treatment

why can radio waves be dangerous

skin burns

why can microwaves be dangerous

skin burning

why can infrared be dangerous

dangerous to eyes and skin

why can visible light dangerous

be blind

why can ultraviolet light be dangerous

can cause skin cancer

why can x ray be dangerous

harm the tissue

define gamma rays

kills healthy cells while treating, killing the cancer cells.