Basic definitions. Physical properties of liquids. Forces acting on fluids. Hydrostatics - basic equations. Pressure on a flat and curved wall. Buoyancy. Archimedes' law. Balance of submerged bodies. The balance of floating bodies. Hydrodynamics. Hydrodynamic quantities. Continuity equation for the liquid stream. Bernoulli equation. Basic laws of hydrodynamics. Equation of mass behavior, preservation of the amount of motion, Bernoulli's equation for the real liquid stream. Hydrodynamic reaction and hydrodynamic pressure. Real liquid flow. Reynolds experience. Resistance of motion in monolithic laminar traffic. Speed ​​distribution in laminar motion. Speed ​​distribution in turbulent traffic. Liquid flow in pipes under pressure. Practical calculation of pipelines. Losses on length and local losses. Examples of determining local losses. Liquid flow in open channels. Uniform motion. Solving flow problems in open channels. Hydraulically the most advantageous shape of the trough. Natural and composite beds. Critical movement. Non-uniform motion fixed in open channels. Slow-changing traffic. The curve of accumulation and depression. High-speed movement. Hydraulic jump. Liquid flow through openings, overflows and culverts. Fixed outflow. Transfers and passes. Unsteady flow. Outflow of water from the tank. Hydraulic hit. Ground water movement. Properties of the ground, Darcy's law. Slow-changing flow, assumptions of Dupuit. Axia-symmetrical inflow to the well. Inlet to the artesian well. Wells team. Inlet to the ditch and drain. Discussion of practical aspects in relation to the presented equations, mathematical models and solutions.