During this year's National Science Week, follow China Daily website to learn about the science in our daily lives at the China Science and Technology Museum. Watch the video carefully to answer the three questions we listed!

Here is your chance to win!

Write your answers in the comment area. We'll pick five readers who answer correctly. Will you get lucky? We look forward to your participation!

Reporter: Cao Zinan

Video/Edited by: Sun Xiaoyu

彩蛋時刻：你是科學小達人嗎？閱讀視頻中的三個問題，將答案寫在留言區(qū)，就有機會贏得好禮！

貼心的China Daily客戶端將隨機抽取留言區(qū)中三個問題全部回答正確的5名網(wǎng)友送出中國日報網(wǎng)精美禮品。