Today we take children to know how earthquakes are formed and understand the consequences of earthquakes. Earthquakes are ground shaking caused by vibrations at or below the Earth's surface, which can be caused by natural phenomena such as crustal movement, volcanic activity, and meteorite impacts. When an earthquake occurs, it may cause surface fractures, earthquakes, soil liquefaction, landslides, aftershocks, tsunamis, and even volcanic activities, and affect human survival and activities.
In order to predict the arrival of earthquakes first, we use seismographs to detect earthquakes and detect the occurrence of earthquakes. The children's DIY handcraft today is a seismograph. We need to use wires to connect the battery to let the current flow, and then use copper wires to hang the marbles in the metal ring, so that it can trigger the sensor when it detects shaking. The finished work is so cool that the teacher couldn't help but take the finished product home!
今天我們帶小朋友認識地震如何形成，並了解地震發生後的結果。地震是地球表層或表層下的振動所造成的地面震動，可由自然現象如地殼運動、火山活動及隕石撞擊引起。當地震發生時，可能會連帶引發地表斷裂、大地震動、土壤液化、山崩、餘震、海嘯、甚至是火山活動，並影響人類的生存及活動。
為了可以先預測地震的到來，我們使用地震儀來偵測大地震動、探知地震發生。小朋友今天的DIY手做品就是地震儀。我們需要用電線接通電池讓電流通，再使用銅線將彈珠掛在金屬圈內，讓它偵測到搖晃時可以觸發感應器。 完成後的作品非常酷，老師都忍不住要把成品帶回家！
