'Violent explosion' presentation slideshows

Electrical Hazards

Electrical Hazards. Electrical Hazards. What are the hazards as you approach electrical equipment to perform work?. Electrical Hazards. Shock Arc flash Heat Fire Arc blast Pressure Shrapnel Sound. Example of an arcing fault. Basic Electrical Theory. I = V / Z

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589 views • 41 slides

742 views • 41 slides

THE LIFE OF A STAR

THE LIFE OF A STAR. http://hubblesite.org/newscenter/archive/releases/nebula/2004/26/. What will determine how a star lives out its life? ( Examine the diagram.). How much mass a star has. What is mass? How much matter is present in a given object. (1) Nebula.

455 views • 31 slides

Volcanoes

Volcanoes. Volcano A vent in the crust of the earth or another planet from which usually molten or hot rock and steam issue or a hill or mountain composed wholly or in part of the ejected material . Why do volcanoes erupt?. Magma

616 views • 18 slides

Star Life Cycle

Star Life Cycle . Generally speaking, there are two main life cycles for stars . The factor which determines the life cycle of the star is its mass . 1 solar mass = size of our Sun

487 views • 15 slides

Chemical energy

Chemical energy. By: Casey Sherwood Devon Yousif Alexander Urlaub Nathan Sylvia. Josiah Willard Gibbs. He was the man that invented chemical energy.

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The age of the Milky Way galaxy has been estimated to be at least 13 billion years based on

The age of the Milky Way galaxy has been estimated to be at least 13 billion years based on a. observations of globular clusters. b. observations of open clusters. c. 21-cm radiation from H I regions. d. the rotation curve of the galaxy. e. the energy produced by Sagittarius A*.

365 views • 5 slides

Eliminate Redundant Elements-1

Eliminate Redundant Elements-1. Words or phrases that repeat the same idea are redundant. The cosmetics department was offering a free gift with every purchase. [ Free gift is redundant; gifts are always free.]

365 views • 4 slides