A Change is Going to Come
Download
1 / 10

A Change is Going to Come - PowerPoint PPT Presentation


  • 86 Views
  • Uploaded on

A Change is Going to Come. Energy at Work. What is Energy?. Energy is the ability to cause change. Objects can gain energy. A pot boiling is gaining heat energy. Objects can lose energy. A bowling ball loses mechanical energy when it hits the bowling pins. Energy appears in many forms.

loader
I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
capcha
Download Presentation

PowerPoint Slideshow about ' A Change is Going to Come' - mieko


An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript

What is energy
What is Energy?

  • Energy is the ability to cause change


Objects can gain energy a pot boiling is gaining heat energy
Objects can gain energy.A pot boiling is gaining heat energy.


Objects can lose energy a bowling ball loses mechanical energy when it hits the bowling pins
Objects can lose energy.A bowling ball loses mechanical energy when it hits the bowling pins.


Energy appears in many forms
Energy appears in many forms.

  • heat/thermal

  • light

  • sound

  • mechanical


Thermal energy
Thermal Energy

  • Moves molecules

  • Is felt as heat


Light energy
Light Energy

  • The primary source of light energy is the sun

  • Light energy produces heat


Sound energy
Sound Energy

  • All sound begins when something vibrates


Mechanical energy
Mechanical Energy

  • The energy of motion


You decide
You Decide

  • Which tasks have energy?

  • If so, what kind of energy?

    Thermal

    Light

    Sound

    Mechanical


ad