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一、填空题(每空1分,共24分) 1.一个物体________,我们就说这个物体具有能. 2.滚动的木球接触弹簧片后把弹簧片压弯,木球的______能减小,弹簧片的_____能增大,在这个过程中_____能转化为_____能. 3.研究表明,物体的内能跟物体的有关,_____越高,物体内部分子的________越激烈,物体的内能就越大. 4.水的比热是4.2×10~3焦耳/千克℃,它表示的物理意义是________________.
First, fill in the blanks (1 point for each space, a total of 24 points) 1. An object ________, we say this object has energy. 2. Rolled wooden ball contacts the spring sheet and bends the spring sheet, the wooden ball _____ _ Can be reduced, _____ of the spring can increase, in the process _____ can be converted to _____. 3. Research shows that the internal energy of the object is related to the object, the higher the _____, the object The more intense the ________ of the internal molecules, the greater the internal energy of the object. 4. The specific heat of water is 4.2×10 3 Joules/kg °C, which means that the physical meaning is ________________.