Natural Science Exam UPDATED ACTUAL Questions and CORRECT Answers

Natural Science Exam UPDATED ACTUAL
Questions and CORRECT Answers
What are non-renewable sources of energy? - CORRECT ANSWER - Once the energy has
been used it cannot be replaced.


What are renewable sources of energy? - CORRECT ANSWER - Energy that is naturally
restored after we use it.


Examples of non-renewable sources: - CORRECT ANSWER - Crude oil, natural gas, coal.



Examples of renewable sources: - CORRECT ANSWER - Wind energy, solar energy,
biofuel, water energy.


What is potential energy? - CORRECT ANSWER - Energy that is stored and ready to be
used.


Examples of potential energy: - CORRECT ANSWER - Elastic, chemical, gravitational.



What is kinetic energy? - CORRECT ANSWER - The energy of a moving object.



Potential and kinetic energy in systems: - CORRECT ANSWER - Thermal systems,
mechanical systems, electrical systems, biological systems.


What is the law of the conservation of energy? - CORRECT ANSWER - Energy cannot be
created, cannot be destroyed, but it can be transferred from one form to another.


What are the ways in which heat can be transferred? - CORRECT ANSWER - Conduction,
conservation, radiation.