Understanding the concept of heat.
Understanding the concept of the intensity or energy of waves.
An explanation of photoelectric effect and how to determine how much energy electrons have.
How capacitors store energy.
Understanding the concept of enthalpy.
Understanding the science of physics.
How radioactive substances undergo fission to reach more stable states.
How radioactive substances undergo fusion to reach more stable states.
Understanding how electrical energy produces chemical changes.
The description and mechanistic functions of enzymes.