TDS in water isn't one the the critical attributes that determine if a water is drinkable.  If the TDS is high it can be safe but many people... more

Water is apparently a molecule and its chemical term is (H2O). It is a highly complex character. Water has high viscosity that is why it can form in to... more

Hydrology has to do with water. That's pertaining to your choice of categories.   The four basic parts of a hydraulic system are: Power, transmission,... more

All living things need nitrate. This is because they are the building blocks of proteins and enzymes. They help in building of nucleotides which are a... more

They're actually quite opposite one another.  Mineral water has lots of minerals and gases in it and distilled water has had virtually all of these... more

The waters movement through the system turns the fan blades of the turbines of the generator by its natural flow down the river. This flow... more

The tap water will freeze first, then the sugar water, and the salty water will freeze at the end. In fact, when you add a solute to water, it lowers its... more

The exact weight of one liter of water, according the present norms is 0.998 kg. It is normally taken as equal to 1 kg. Additionally it has a specific... more

The water flows from the higher surface to the lower one. If the surface is just equal, there is no movement of water. For more information, see the link... more

I don't get your information completely. However here is a link from where you can get the information on water and it's related projects for your science... more

The density of salt water is high, it will cause objects to float easily. I saw an experiment by my colleague when i was in 6th grade. He took three... more

Density is defined as the Weight per unit volume. The density of water is one. For detailed information about density and its relation to water, click... more

The basic principle is to get a small filter plant installed. Then pour the muddy water into it and it will come out clean. You can even do that with a... more

It can be any chemical in our drinking water depending upon its source of pollution. Usually chlorine is added in a very low quantity to kill the germs... more

A US gallon of fresh water that is at 4 degrees Celsius weighs 8.34 pounds. And an imperial gallon at 62 degree F (old UK system) weighs exactly 10 pounds... more

Potato gets soft if kept in tap water, However, keeping it in salt water will make it hard and good for Frying. more

The amount of water does effect the size of water. They have a directly proportional relationship where the increase in the amount of water increased the... more

A synthesis reaction is the one in which two or more simple compounds combine to form a more complicated one. These reactions come in the general form:... more

The most common physical characteristics of water are temperature, taste, color, odor and turbidity. Turbidity is the amount of particulates suspended... more

The salt in salty bodies of water does not evaporite into the atmosphere. Only the liquid evaporates. That's why rain water is not salty. more

I think its fresh water cuz salt water is usually colder more

It is all because of evaporation. With the heat of the sun the water evaporates and accumulated in the form of thunder. Oceans and seas are the huge sources... more

Due to its shape, water is a polar molecule. It's one side is positively charged while other side is negatively charged. The molecule is made up of hydrogen... more

Water also contains another property too. That is it will absorb some of the properties of ANYTHING it comes in contact with, underground or above! This... more

The complete process of water cycle describes the movement of water above and below the earth surface. Our climates are continuously changing but this... more

Hydrology is the science of studying water system,its quality ,quantity ,analysis and different water problem involved in it.Water is considered as the... more

Hydrology is the science which deals with occurrence, running of water or water movement, its distribution and all the physical and chemical properties... more

The most precious natural resource aside from oxygen is water covers three- fourths of our earth’s surface , in the form of oceans, rivers , steams... more

The force of gravity caused by an object gets weaker as you move farther away from that object.The earth is pulling towards the moon and the moon is pulling... more

When tidal forces of the Moon and the Sun acts on the ocean, ocean surface on the Earth rises and falls in cyclic motion. This rising and falling of Earth’s... more

A tide table is table that enlists the tidal height at different timings of a day against a particular day. For example; a user can get information about... more

With a population of almost 4 million today, the demand for water in Singapore is on the increase. Water is needed for drinking, cooking, washing, bathing,... more

Over the stretch of every era, every period and every centre, be it the prehistoric times or the contemporary years, the importance of water has not faded... more

A watermark is a faint impression of a symbol that is placed on paper to identify the maker. It is also used on paper money and stamps. more

Scientifically water always flows or moves when there is a gradient. Water always tries to find its level. If there is a difference in the levels... more

Historians give an estimate of about a period of two million years as to how long did the Ice Ages last about. Another estimates that experts have come... more

Water purification and filter plants are used to purify and make the water safe for the usuage of human beings. more

Catchment is the area from which a water body receives its share of rain water. It is more specifically a drainage basin or watershed servicing a body... more