ACTUAL TEST PAPER QUESTIONS SOLUTIONS
VERIFIED COMPLETE STUDY PACKAGE
◉ thermal energy.
Answer: The total energy of motion in the particles of a substance
◉ chemical energy.
Answer: A form of potential energy that is stored in chemical bonds
between atoms.
◉ nuclear energy.
Answer: the potential energy stored in the nucleus of an atom
◉ electrical energy.
Answer: Energy caused by the movement of electrons.
◉ light energy.
Answer: Energy in the form of moving waves of light
◉ kinetic energy.
, Answer: energy of motion
◉ gravitional potential energy.
Answer: potential energy that depends on the height of an object
◉ elastic potential energy.
Answer: the energy of stretched or compressed objects
◉ conservation of energy.
Answer: law that says energy cannot be created or destroyed, but
can change forms
◉ uses of friction.
Answer: - rubbing hands for warmth
- break pads on bikes
◉ Efficiency =.
Answer: Useful Energy Output / Total Energy Input
◉ Increase efficiency.
Answer: - add lubricant
- reduce friction