Your SlideShare is downloading. ×
Chapter 4 energy luxembourg
Chapter 4 energy luxembourg
Upcoming SlideShare
Loading in...5
×

Thanks for flagging this SlideShare!

Oops! An error has occurred.

×
Saving this for later? Get the SlideShare app to save on your phone or tablet. Read anywhere, anytime – even offline.
Text the download link to your phone
Standard text messaging rates apply

Chapter 4 energy luxembourg

113

Published on

0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total Views
113
On Slideshare
0
From Embeds
0
Number of Embeds
1
Actions
Shares
0
Downloads
1
Comments
0
Likes
0
Embeds 0
No embeds

Report content
Flagged as inappropriate Flag as inappropriate
Flag as inappropriate

Select your reason for flagging this presentation as inappropriate.

Cancel
No notes for slide

Transcript

  • 1. Chapter 4: Energy1. DefinitionEnergy = the ability of a physical system to dowork on other physicalsystemsphysical quantity, abbreviation: E, unit of measurement: J2. Different forms of energychemical energy: decomposing of molecules, digestionthermal energy: reactions in which warmth is set freemechanical energy: energy associated with the motion and position of an objectelectrical energy: energy produced by electricitysee exercise3. Energy sources= all sources delivering energy2 groups:- fossil energy sources: coal, petroleum, natural gas- renewable energy sources: solar, wind, hydroelectric, agriculturalbiomass, geothermal, tidal
  • 2. 4. Origin of energyPhotosynthesis – see working scheme

×