Loading subject…
Air resistance
Air resistance is the frictional force acting on objects moving through air.
Biomass
Living material that contains stored chemical energy.
Chemical energy
Energy stored inside the bonds of molecules such as glucose. Organisms release this energy during respiration.
Conservation of energy
Energy cannot be created or destroyed. It can only be converted from one form to another.
Consumer
An organism that obtains energy by eating other organisms.
Efficiency
Efficiency is the proportion of input energy transferred into useful output energy.
Kinetic energy
Kinetic energy is the energy an object possesses due to its motion.
Producer
An organism that makes its own food using an external energy source, usually sunlight.