Holds back entertaining tasks in the scope of the high school physics program, most of which are based on various paradoxes, surprises and sophisms. All tasks are answered, and most of them are more detailed than the solution, I give instructions to them. The wording and solutions of problems were revised taking into account the existing documents in the field of terminology and names of units of physical greatness. For students and teachers of general education and vocational schools, as well as persons showing an increased interest in physics