字幕表 動画を再生する 英語字幕をプリント How to Turn Water into Ice without a Freezer. See water freeze before your eyes with the magic of physics. You will need Cup Water Bell jar Vacuum pump and acetone (optional). Step 1. Fill the cup with water. Use equal parts acetone and water to speed the process. Step 2. Place the cup inside the bell jar. Step 3. Connect the bell jar to the vacuum pump and turn it on. Step 4. Watch the water begin to bubble. Step 5. Watch the water turn into ice as the warmer molecules escape into the vacuum and the cooler molecules clump together to form ice in the cup. Did you know The lower the air pressure, the lower the boiling point of water. If the pressure is low enough, water will boil at room temperature.
B1 中級 英 冷凍庫なしで水を氷に変える方法 (How to Turn Water into Ice without a Freezer) 292 13 倩倩. に公開 2021 年 01 月 14 日 シェア シェア 保存 報告 動画の中の単語