Events

Today, from January 11th to Sanhe Elementary School, the teacher's diversified ability workshop in the field of natural sciences in the primary and secondary natural sciences. The main experimental items are the Madeburg Hemisphere to let teachers understand that the atmospheric pressure on us is so powerful. Use a large suction cup to lift the table, so that teachers can better understand the power of stress, to let teachers understand buoyancy and Pascal principles and make floating dolls by themselves. How the length and the number of pins of the ribbon affect the speed of the floating dolls. Some directors of the cloud device first brought the example of champagne to introduce. The operation is to make the teachers understand more. One of the focus of this experiment is to remember to spray in the bottle. This is easier to succeed than water. Why is it easier to use alcohol? Jiao Er Shen stole the LED lights, and tried to let the abandoned batteries be used again.