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Energy Efficient Steam Systems. Steam System Energy Flows Energy enters a steam system as: –Fuel and combustion air –Makeup water –Pump work Energy.
Lesson 10: Earth’s Atmosphere Modified From: 2012%20History%20of%20Life%20on%20E arth.ppt#264,2,Age%20of%20the%20Earth.
THE HISTORY OF LIFE EARLY HISTORY OF EARTH EVIDENCE HOW OLD IS SOMETHING? WHAT IS GEOLOGIC TIME? FIRST CELLS ENDOSYMBIONT THEORY Courtesy NASA/JPL-Caltech.
CHEMISTRY Patterns and Compounds. 5.1 Looking for Patterns in Chemical Reactivity Valence Shell – The outermost electron shell that an atom has. Valence.
Kitchen Safety and Sanitation. What do you do… If there is an object or spill on the floor? If you need to reach something from a high shelf? FALLS.
The Classification of Matter …it matters (Ch. 2).
Safety and Sanitation TL 8.02 Use basic food safety and sanitation principles.
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INTERNAL COMBUSTION ENGINES AND STEAM ENGINES. THE STEAM ENGINE.
Geothermal Energy Based on the heat that naturally occurs in the Earth’s interior Sine the Earth’s interior is hotter than the surface, this heat flows.