Water is one of the most common resources on earth, and it is also the basis for the existence of life! Now let's explore the energy of water and see how it turns into electricity.

Specifically, when water flows from high to low, it acts as a kind of "energy waterfall" from high ground. Specifically, when water flows from a high place to a low place, its energy is like a kind of "energy waterfall", falling from a high place. During this process, the water gains kinetic energy due to gravity, as if it were flowing with a force. We can design devices where the flow of water drives these devices to turn as if the water is turning on a water wheel.

So, in short, hydroelectricity is the process of turning the energy of flowing water into electricity that we can use for all sorts of useful things, such as lighting up our homes, making our TVs work, and so on. This approach is not only environmentally friendly, but it also makes the best use of natural resources to generate energy. When it comes to converting water into electricity, the most common method is hydroelectricity. This process is like nature's magic! We take the power of flowing water and turn it into electricity that we use to light up our homes.

How is it done? Like a toy windmill, we built a device called a water turbine. This water turbine is like a windmill in that it is propelled by flowing water. When the water hits the blades on the turbine, like a child's gyroscope, the turbine begins to spin. The kinetic energy of this rotation is transmitted to a special generator attached to it, which turns the kinetic energy of the rotation into electricity and supplies it to us.

There is another type of turbine, called an oblique flow turbine. It also uses the force of the water flow to rotate, but the water flows in a diagonal direction, like an angled impact. Such an impact also turns the blades and then electricity is produced. So, with hydroelectricity, we can turn the power of water into electricity that can light up light bulbs and run electrical appliances. Isn't that amazing? Hydroelectricity is such an awesome friend and it has so many advantages:

First of all, when hydroelectricity is generated it doesn't release gases that warm up the earth and it doesn't produce any harmful substances. Also, water power is always stable, even if the weather changes, it will not affect the effect of its work. What's especially great is that once a hydroelectric power plant is built, it's quite inexpensive to operate. So, not only is hydroelectric power environmentally friendly, but it's also stable and reliable, and it helps save money!

Water energy is used in several places, first in hydroelectric power plants, these dams direct the water stored in reservoirs to a device called a turbine, and this turbine then creates electricity! Then there are micro-hydroelectric plants, which are quietly built alongside tiny streams and rivers to provide electricity to places far away from cities. And finally, there's tidal energy generation, which is like using the ebb and flow of the ocean to generate power and help us make electricity.

So, hydro energy is amazing and it can create electricity in different places to make our lives better!

（Writer：Dirick）