Global Warming
Global Warming - The addition of certain pollutants like the carbon dioxide gases increases the temperature of the earth. These gases remain close to the surface of earth, forming an insulating layer. The surface becomes hot due to the solar radiations. This radiation is normally reflecte..
Global Warming
The addition of certain pollutants like the carbon dioxide gases increases the temperature of the earth. These gases remain close to the surface of earth, forming an insulating layer. The surface becomes hot due to the solar radiations. This radiation is normally reflected back into the space. How..
The addition of certain pollutants like the carbon dioxide gases increases the temperature of the earth. These gases remain close to the surface of earth, forming an insulating layer. The surface becomes hot due to the solar radiations. This radiation is normally reflected back into the space. How..Global Warming
>o F in the next century. But, the entire scientific community was not convinced that global warming was occurring. However, the new data coming in is unsettling. The latest evidence that the earth's climate is getting warmer comes not from theoretical models, but from birds, trees, flowe..
You buy me at your favorite ice cream shop. I have a circular mouth an..
You buy me at your favorite ice cream shop. I have a circular mouth and a tapering tip. I am filled with ice cream. What shape am I? => sphere or cone or cube or cylinder..
Which of the given objects has the maximum temperature?
Which of the given objects has the maximum temperature? => a cup of hot tea or an ice cube or a candy or an ice cream..
Physical States of Water
Water is the only substance that can exist simultaneously in all the three states of matter, i.e., solid, liquid and gaseous on this earth,. A simple experiment shows the existence of all these three states together. Take a glass half packed with ice cubes and cover it. Th..
Physical States of Water
Water is the only substance that can exist simultaneously in all the three states of matter, i.e., solid, liquid and gaseous on this earth,. A simple experiment shows the existence of all these three states together. Take a glass half packed with ice cubes and cover it. The ..
Types of Water Cycle
There are two overlapping water cycles operating in nature. 1) Global water cycle 2) Biological water cycle. Global water cycle does not involve life. Water evaporates from water bodies like seas and oceans (more than 75% of total evaporation), lakes and rivers. Condensation of ..
Water
Water - In the Earth's biosphere, water is essential to all forms of life. Interestingly, it is also the biospheres most abundant compound and a unique substance from the chemical point of view. About 75% of the Earth's surface consists of water. Water is present as either (a) Solid - ice..
Physical Properties of Water
>(e) Ice has a relative density of 0.92. When ninety-two volumes of water at 4 o C is frozen, it will expand to hundred volumes. Thus, ice is lighter than water and hence it floats on water. (f) The specific heat capacity of water is 1 cal/g at 15 o C. Specific heat capacity of ..
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