- What causes the high temperatures deep inside the Earth that make geothermal energy
possible? - Do you think your town or city could use wind or water power?
Image Sources
(1) Leonard G.
http://commons.wikimedia.org/wiki/Image:ShellMartinez-refi.jpg. CC-SA
1.0.(2) http://commons.wikimedia.org/wiki/File:
Mafate_Marla_solar_panel_dsc00633.jpg. GNU-FDL.(3) P. Hertzog.http://commons.wikimedia.org/wiki/Image:Windpark.jpg.
GNU-FDL.(4) G. Gerding.http://commons.wikimedia.org/wiki/Image:XN_Power_pole_01.jpg.
GNU-FDL.(5) http://commons.wikimedia.org/wiki/File:
Elektrarna_Prunerov_II_20070926.jpg. GNU-FDL.(6) http://commons.wikimedia.org/wiki/File:Nuclear_Power_Plant_Cattenom.jpg.
GNU-FDL.(7) C. Kirkman.http://www.flickr.com/photos/ckirkman/42753685/. CC-BY 2.0.(8) Ontario Power Generation.
http://www.flickr.com/photos/7301137@N08/413709598/. CC-BY 2.0.(9) A. Floresm.http://www.flickr.com/photos/afloresm/1448540890/. CC-BY 2.0.(10) Unknown.
http://upload.wikimedia.org/wikipedia/commons/7/72/Coal_anthracite.jpg.
Public Domain.
