#1
Which of the following is an example of potential energy?
A moving car
A stretched rubber band
A running cheetah
A burning candle
#2
What type of energy transformation occurs when a battery-operated flashlight is turned on?
Chemical energy to electrical energy
Electrical energy to light energy
Light energy to heat energy
Electrical energy to chemical energy
#3
Which of the following is an example of kinetic energy?
A parked car
A stationary rock
A rolling ball
A hanging lamp
#4
In which process is heat NOT a byproduct?
Burning wood
Boiling water
Melting ice
Charging a battery
#5
What is the term for the energy associated with the motion and position of an object?
Potential energy
Kinetic energy
Mechanical energy
Thermal energy
#6
Which law states that energy cannot be created or destroyed, only transformed or transferred?
Law of Thermodynamics
Newton's Third Law
Law of Conservation of Energy
Law of Inertia
#7
What is the law of conservation of energy?
Energy cannot be created nor destroyed, it only changes form
Energy can be destroyed but not created
Energy can be created and destroyed freely
Energy is conserved only in closed systems
#8
Which energy transformation takes place in a hydroelectric power plant?
Mechanical energy to electrical energy
Nuclear energy to thermal energy
Chemical energy to mechanical energy
Potential energy to kinetic energy
#9
What is the SI unit of energy?
#10
Which type of energy is stored in the chemical bonds of molecules?
Mechanical energy
Nuclear energy
Thermal energy
Chemical energy
#11
What type of energy is stored in the nucleus of an atom?
Thermal energy
Nuclear energy
Kinetic energy
Chemical energy
#12
Which of the following devices converts electrical energy into mechanical energy?
Refrigerator
Generator
Motor
Solar panel
#13
What is the efficiency of a machine if it takes 100 Joules of energy to perform work but only 80 Joules of useful work are done?
#14
What is the main energy transformation that occurs in a solar panel?
Solar energy to electrical energy
Electrical energy to light energy
Light energy to thermal energy
Chemical energy to electrical energy
#15
What is the efficiency of a machine if the input energy is 500 J and the output energy is 250 J?
#16
What is the main energy transformation that occurs in a wind turbine?
Wind energy to electrical energy
Electrical energy to mechanical energy
Mechanical energy to wind energy
Chemical energy to electrical energy
#17
Which type of energy is associated with the random motion of particles in a substance?
Mechanical energy
Nuclear energy
Thermal energy
Chemical energy