with the deepening of education reform, the all-round development of students becomes the dominant idea of education. the basic education department of the ministry of education in 2017 points out that to promote mental health education in primary and secondary schools, and to monitor the moral and ps...

  teaching instrument basic equipment main observation point: teaching instrument and auxiliary room condition, teaching instrument equipment condition, library and campus network condition, sports equipment condition.   for some key parts of the wall chart, or separate the secondary part, hig...

  teaching utensils play an important role in the teaching, especially in the lower grades, scientific and effective use of learning tools, not only can mobilize the enthusiasm of students, stimulate the intuitive thinking of students, and can make the abstract mathematics knowledge become intuitive ima...

  common experimental instruments and their use   i. classification of common instruments   generally, according to the main use of the instrument, the common chemical experimental instruments can be divided into the following 8 categories:   (i) measurement category  ...

  high school chemistry experiment poetry   1. the use of pallet balances   the dial of the screw code, the pointer ruler has a tray. adjust the screws up to balance, the matter code separation left and right side.   take the code need tweezers clip, first big after small r...