energy

Magnetic

Energy stored when repelling or attracting poles are manipulated.

Internal (thermal)

Total energy of particles in an object, including kinetic energy.

Chemical

Energy stored in chemical bonds between molecules.

Kinetic

Energy of a moving object.

Electrostatic

Energy stored in repelling or attracting charges.

Elastic potential

Energy stored when an object is stretched or squashed.

Gravitational potential

Energy of an object at height.

Nuclear

Energy stored in the nucleus of an atom.

Pathways for transferring energy

Mechanical work, electrical work, heating, radiation.

Systems and stores

Energy transfers between different stores over time.

Transfer diagrams

Show energy stores and transfers with boxes and arrows.

Sankey diagrams

Display energy transfers in a system with arrows splitting into different points.

Conservation of energy

Energy can be transferred, stored, or dissipated but not created or destroyed.

Examples of conservation of energy

Skydiver and smartphone energy transformations.

Gravitational potential energy formula

ΔGPE = mass x gravitational field strength x change in vertical height.