The Sun’s Energy

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The Suns Energy

• The Sun releases a huge amount of energy into the
  space around it.
• Its the same amount of energy as 100 billion
  tons of TNT exploding every second!

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Electromagnetic Radiation

• Electromagnetic radiation is one way of moving
  energy from one place to another place
• Energy moves from the Sun to the earth in the
  form of electromagnetic radiation

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Types of Electromagnetic Radiation
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Radio
Types of Electromagnetic Radiation
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Radio
Microwave
Types of Electromagnetic Radiation
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Radio
Microwave
Infrared
Types of Electromagnetic Radiation
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Radio
Microwave
Infrared
Types of Electromagnetic Radiation
Visible
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Radio
Microwave
Infrared
Types of Electromagnetic Radiation
Ultraviolet
Visible
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Radio
Microwave
Infrared
Types of Electromagnetic Radiation
Ultraviolet
X-ray
Visible
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Radio
Microwave
Infrared
Types of Electromagnetic Radiation
Ultraviolet
Gamma Ray
X-ray
Visible
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Together, they make up
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Radio
Microwave
Infrared
The Electromagnetic Spectrum
Ultraviolet
Gamma Ray
X-ray
Visible
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Is electromagnetic radiation harmful?

• It depends
• Radio, microwave, infrared, and visible usually
  arent harmful, but can be if the radiation is
  very strong
• Ultraviolet, x-rays, and gamma rays are more
  harmful

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We cant see it

• But the radiation is still there.
• There is Electromagnetic radiation from radio
  antennas, cell phone towers, the Sun, and other
  sources in this room.
• You, like this dog, are a source of infrared
  electromagnetic radiation!

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