earthquake detector

This week's science class, kids looked at how earthquake detection is done and made an earthquake detector themselves.  Here is a video of Owen's earthquake detector.  這周科學課，孩子們探討了感測器與地震偵測器的科學 & 動手做地震偵測器科學實驗 ，每個孩子都自己動手做了一個地震偵測器喔!