The Energy Story

  Energy Is Born
  Energy Types
  Energy Changes
  Energy Generation

The Energy Problem

  Conservation of Energy
  Aging of Energy
  Finite Resources
  The Oil "Crisis"
  Energy Pollution
  Discussion Topics

The Energy Solution

  Conserving Electricity
  Appliance Efficiency
  Heating Conservation
  Renewable Energy

Web Links

Teacher Guide

About the Author

Secret Lives Title - The Energy Story

Energy is Born

Energy was born around 17 billion years ago when our universe was created in a gigantic explosion called the Big Bang. At first, the universe was almost all energy at tremendously high temperatures. As the universe expanded and cooled, some of the energy formed matter. While the universe has continued to evolve, it is still made up of these two components, matter and energy. This energy produced in the big bang is the same energy that we use today to run our radios, in the gasoline that powers our cars, and in the food we eat that gives us the energy to live. This energy is what this website is all about.

big bang graphic


More on the Big Bang

It took thousands of years after the big bang for the universe to cool enough for even simple atoms to form. And it took millions of years for the stars and galaxies that we see in the sky to form. Below is a pictorial representation of the evolution of the big bang. Place the mouse over the buttons to change the graphics.

Courtesy of schoolscience, BNFL, and PPARC (Particle Physics and Research Astonomy Reserach Council) Big Bang Page

More Sites to Visit

  Mysteries of Deep Space An interactive timeline of the history of the universe.  
A brief guide to the big bang. Key observations, theories, and concepts.  
Runaway Universe A gallery of images of the big bang.  
Cosmic Mystery Tour Step by step evolution of the big bang.  
The Big Bang It sure was big!  
Ask the Space Scientist Big Bang Cosmology  


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