A. Energy can be created or destroyed. B. Energy can only be transformed from one form to another. C. Energy transformation is not always efficient. D. All forms of E. nergy have the same quality. 相关知识点: 试题来源: 解析 B。本题考查能量守恒定律的理解。能量守恒定律指出能量只能从一...
The law of conservation of energy was formulated by _. A. Michael Faraday B. James Clerk Maxwell C. Robert Boyle D. Hermann von Helmholtz 相关知识点: 试题来源: 解析 D。能量守恒定律由赫尔曼·冯·亥姆霍兹提出。Michael Faraday 在电磁学方面有重大贡献;James Clerk Maxwell 建立了电磁场理论;Robert...
The law of conservation of energy states that energy can neither be created nor ___. A. destroyed B. discovered C. invented D. produced 相关知识点: 试题来源: 解析 A。本题考查能量守恒定律。能量守恒定律表明能量既不能被创造也不能被毁灭,选项 B 发现、选项 C 发明、选项 D 产生均不符合能...
The law of conservation of energy states that energy can neither be created nor destroyed. Which of the following best demonstrates this law? A. A light bulb converting electrical energy into light and heat B. A car engine converting chemical energy into mechanical energy C. A solar panel ...
The law of conservation of energy states that energy can neither be created nor destroyed. Which of the following examples best illustrates this law? A. 八在式命史集光下八在式命史集光下A light bulb converting electrical energy to light and heat八在式命史集光下八在式命史集光下 B. 我采这...
The law of conservation of energy states that energy can neither be created nor destroyed, but it can be ___. A. transformed B. conducted C. insulated D. radiated 相关知识点: 试题来源: 解析 A。此题考查能量守恒定律和英语词汇。能量守恒定律表明能量既不能被创造也不能被消灭,但可以被转化。
The law of conservation of energy states that energy cannot be created or destroyed. What happens to energy in a closed system? A. It remains constant B. It increases C. It decreases D. It changes form 相关知识点: 试题来源: 解析 A。在封闭系统中能量守恒,保持不变。选项 B 增加不对;...
According to the law of conservation of energy, energy cannot be created or destroyed. Which modal verb correctly expresses this physical principle? A. Energy must not be created or destroyed. B. Energy should not be created or destroyed. C. Energy could not be created or destroyed. D. ...
The law of conservation of energy states that energy can neither be created nor destroyed. In a closed system, if the potential energy decreases, the kinetic energy ___. A. also decreases B. increases C. remains the same D. becomes zero 相关...
1. The law of conservation of energy 能量守恒定律 2. Energy cannot be created or destroyed, only transformed 能量不能被创造或摧毁,只能被转换 3. The total amount of energy in a system remains constant 系统中的能量总量保持不变 4. Energy is never lost, only transferred from one form to anot...