#1
Which of the following is an example of potential energy?
5 answered
#2
What type of energy transformation occurs when a battery-operated flashlight is turned on?
4 answered
#3
Which of the following is an example of kinetic energy?
4 answered
#4
In which process is heat NOT a byproduct?
4 answered
#5
What is the term for the energy associated with the motion and position of an object?
4 answered
#6
Which law states that energy cannot be created or destroyed, only transformed or transferred?
4 answered
#7
What is the law of conservation of energy?
4 answered
#8
Which energy transformation takes place in a hydroelectric power plant?
5 answered
#9
What is the SI unit of energy?
5 answered
#10
Which type of energy is stored in the chemical bonds of molecules?
4 answered
#11
What type of energy is stored in the nucleus of an atom?
4 answered
#12
Which of the following devices converts electrical energy into mechanical energy?
5 answered
#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?
4 answered
#14
What is the main energy transformation that occurs in a solar panel?
4 answered
#15
What is the efficiency of a machine if the input energy is 500 J and the output energy is 250 J?
4 answered
#16
What is the main energy transformation that occurs in a wind turbine?
4 answered
#17
Which type of energy is associated with the random motion of particles in a substance?
4 answered