Untitled Slide

Untitled Slide

WHAT WE ARE LEARNING ABOUT TODAY

• Longer wavelengths & their strengths.
• Radio waves
• Visible waves
• Microwaves
• X-rays
• Ultraviolet light
• Gamma rays

RADIO WAVES

• Is a type of electromagnetic radiation
• Wave lengths are longer than infrared light
• Radio wave frequencies are from 300GHz-3kHz
• The wavelength range is of a football field to larger than our entire planet
• Radio waves were proved by Heinrich Herts in the late 1880's

VISIBLE WAVES

• They are only waves WE can see
• WE only see these waves as colors like a rainbow
• Each color has a different wave length
• Like red has the longest and violet has the shortest

MICROWAVES

• Uses radio waves at a precise set frequencies to agitate water molecules in food
• The molecules get agitated and vibrate generating heat

X-RAYS

• Also a form of electromagnetic radiation
• Which is similar to visible light
• X-rays have a higher energy
• And pass through objects

ULTRAVIOLET RAYS(UV)

• Uv rays are shorter than visible waves
• Uv rays are completely invisible to the human eye
• Fun fact: some insects like bumblebees can see them
• The sun is a source of a full spectrum of ultraviolet radiation

GAMMA RAYS

• It is a grouping of electromagnetic energy photons
• Gamma radiation is a very high energy ionizing radiation
• Gamma has no mass and no electrical charge
• Gamma travels at the speed of light

THIS CONCLUDES OUR FEATURE PRESENTATION

Presentation made by:
Kyler Lilly
Images and design:
Kyler Lilly
Paper typed by:
Kayla basket