1 A machine that converts mechanical energy to electrical energy is a: A Generator B Motor C Battery D Transformer
2 What type of energy is stored in the nucleus of an atom? A Nuclear energy B Chemical energy C Kinetic energy D Thermal energy
3 Which of the following is a renewable source of energy? A Solar energy B Coal C Petroleum D Natural gas
4 A wind turbine converts wind energy into: A Electrical energy B Mechanical energy C Chemical energy D Thermal energy
5 What is the main energy transformation in a hydroelectric dam? A Potential to kinetic to electrical B Chemical to thermal C Nuclear to thermal D Electrical to mechanical
6 A stone dropped from a height has maximum kinetic energy: A Just before hitting the ground B At the point of release C Halfway down D After bouncing
7 When a car brakes, kinetic energy is transformed into: A Thermal energy B Potential energy C Chemical energy D Sound energy only
8 The energy stored in a stretched rubber band is: A Elastic potential energy B Kinetic energy C Chemical energy D Thermal energy
9 Which of the following is the formula for work? A Force × Distance B Force × Time C Mass × Velocity D Power × Time
12 The energy from the Sun is called: A Solar energy B Nuclear energy C Thermal energy D Chemical energy
13 Which of the following produces energy through nuclear fission? A Nuclear power plant B Hydroelectric dam C Solar panel D Wind turbine
14 Which energy is due to the motion of particles in a substance? A Thermal energy B Kinetic energy C Potential energy D Chemical energy
16 When a pendulum swings, energy changes from potential to kinetic and back. This is due to: A Law of conservation of energy B Law of friction C Law of gravity D Law of motion
17 The energy of an object due to its position is: A Potential energy B Kinetic energy C Mechanical energy D Thermal energy
18 Which of the following transforms electrical energy into light and heat? A Incandescent bulb B Battery C Solar cell D Generator
19 When you rub your hands together, what energy transformation occurs? A Mechanical to thermal B Electrical to thermal C Chemical to mechanical D Radiant to thermal
21 The energy of a moving bicycle is: A Kinetic energy B Potential energy C Mechanical energy D Chemical energy
23 A rock falls from a cliff. Its potential energy: A Decreases as it falls B Increases as it falls C Remains constant D First increases then decreases
24 In a roller coaster, potential energy is highest at: A The top of the first hill B The bottom of the first hill C Halfway down D At the end
25 Work is done when: A A force causes an object to move B An object is at rest C Energy is not transferred D No movement occurs