The science of making and using biogas from cowdung has been in the public domain for a while. The design and its variations are so simple that anybody can adopt it without spending a fortune. Here I present to you a practical use of the technology even if you have only one cow.
In this tutorial, it will help you to create gradation graph in excel format. A graph plotted using logarithmic scale.
The Great Sichaun Earthquake that happened in 2008, the destruction, the aftershocks and some facts are discussed below. On the 12th May 2013, it will be five years since this quake occurred.
In 1895, at 12 years of age, Jim became the youngest miner at the Ropes Gold Mine in Ishpeming, Michigan.
What are Sundogs and mock suns? Why do they happen and how have they impacted history?
Learn about the different types of snowflakes and how snowflakes form.
This is part 2 of a 4 part hands-on unit study on Meteorology and Weather. Make weather vanes and barometers, act out high and low pressure, blow up a balloon and collapse a can using hot water, make and eat prevailing winds, and more! My lessons are geared toward 2nd-3rd grade level children and...
This is part 2 of a 6 part hands-on unit on Earth Science from a Christian perspective. Make and eat "sedimentary" Seven Layer Bars, create "metamorphic" Snickers bars, do some rock mining, and more! My lessons are geared toward 2nd-3rd grade level children and their siblings. I created these...
"The Long Thaw" is a modern classic of science exposition, setting forth the physical basis for how the greenhouse effect and Earth's carbon cycle work. Get the gist with this enhanced content summary review.
The solar 'fire' sustains us--but it's not just the direct solar radiation we need; there's also the less intense 'fire' of thermal radiation from the atmosphere, often called 'backradiation.' Harder to measure than the direct solar fire, it nevertheless plays a crucial role in maintaining a...