Energy that allows us to see
light energy
Energy that makes things warm or hot
heat energy
Energy that we can hear
sound energy
Energy that makes things like computers and TV and hairdryers work.
electrical energy
Energy that a moving object has
kinetic energy
Energy stored in food, batteries and fuels.
chemical Potential Energy
What is the energy conversion when a candle is lit?
Chemical potential energy + light energy --> heat energy + light energy
What is the energy conversion process when a car engine runs?
A: Chemical potential energy (in fuel) to mechanical energy (kinetic energy of the car) + thermal energy (heat from engine).
Describe the energy conversion that occurs in a hydroelectric power plant.
Gravitational potential energy (water at a height) to mechanical energy (turbine r
Explain the energy conversion in a solar cell.
Light + heat energy to electrical energy.
What happens to energy during the process of photosynthesis in plants?
Solar energy (light) to chemical potential energy (stored in glucose).
How does a battery convert chemical energy into electrical energy?
A: Chemical potential energy in the battery materials to electrical energy.
What is the energy conversion process in a human body during exercise?
Chemical potential energy (in food) to kinetic energy (muscle movement) + heat energy.
