同学们,你燃烧过粉条吃吗?你知道一粒花生米能把水烧开吗?当你走进超市选购食物时,你知道哪种食物吃多了会发胖吗?你能演示电能转化为声、光、电、机械、磁、化学能等多种能量形式吗?能量魔盒既有悦耳的铃声,又有彩色的风扇旋转,而且灯光闪烁,十分 Do you know that a peanut can boil the water? When you go to the supermarket to buy food, do you know which kind of food will eat more and get fat? You can demonstrate the conversion of electric energy For the sound, light, electricity, machinery, magnetism, chemical energy and other forms of energy it? The energy of the box both sweet melody, but also color fan rotation, and the lights flashing, very