Monthly Archives: November 2011

Which is better Hydro power energy ,or Solar power energy?

I’m doing a science fair project and i need some help. Which is better hydro powerr or solar power. Where I live, there are streams running in the backyard off everyones house. So hydro power is more usful here. What … Continue reading

Posted in solar power energy | 7 Comments

With respect to thermal energy, in the form of radiation from the sun – why does a solar water heater?

i: use copper pipes ii: have a black surface iii: has a large suface area 1/ Copper is a good heat conductor (which is a reason not to use it!). But it is:- easy to work with, relatively cheap, and … Continue reading

Posted in solar thermal energy | 3 Comments

Solar energy that makes it to Earth’s atmosphere is transformed to thermal energy.Thoroughly explain how.?

This is an extra credit i really need please help it would be very helpful!!!! The simple answer is through electromagnetic interaction. The photon energy of the incoming radiation is transferred in whole or in part to atoms in the … Continue reading

Posted in solar thermal energy | 2 Comments

How is Solar Thermal energy used?

Is this energy resoure used in Australia? and if so to what extent? (Is it a large-scale energy resoure, or just used on a small scale? Where in Australia is it used – accross most of the country or only … Continue reading

Posted in solar thermal energy | 1 Comment