An airplane can travel at a speed of 400kmph to 9000kmph.
Brazil has recently gone through changes in school grades. Currently, at the age of 6 children attend from the grade 1 to 4 what is called Ensino PrimÃ¡rio (Portuguese for Primary Teaching, or Primary School), and afterwards from grade 5 to 9 the Ensino Fundamental (Fundamental Teaching/School).
A Look at the Education System. The education before 6 years is termed as pre-primary education or kindergarten education and is divided into two groups. First is up to 3 years and the second is from 3 to 6 years of age. From 6 to 16 years of age, the education in Spain is divided into two groups. 1) The first group, called primary education, is for students between the ages of 6 and 12. 2) 12 to 16 years ( called secondary education) The primary education is divided into three cycles 1) 6 to 8 years (first cycle) 2) 8 to 10 years (second cycle) 3) 10 to 12 years (third cycle) During this stage, the average number of students in a class is around 25 in the Spanish schools.