The circular motion of a fluid caused by hotter, less dense fluid rising and cooler, denser fluid sinking.

A process where heat is transferred through direct contact between materials.

The movement of air caused by differences in atmospheric pressure.

A phenomenon where fluids remain stationary and do not mix.

A form of energy resulting from the flow of electric charge through a conductor.

A type of energy generated by solar panels.

Energy stored in chemical bonds of molecules.

A measure of the potential energy in a battery.

A device that converts one form of energy into another, especially mechanical energy into electrical energy.

A machine that stores energy for later use.

A tool used for measuring electrical current.

A type of renewable energy source.

The transfer of energy by electromagnetic waves, which is a form of energy that can travel through empty space.

A type of sound wave that travels through air.

The process of converting light into heat energy.

A method of communication using radio waves.

The transfer of heat through the movement of a fluid, which is a substance that can flow.

The process of heat transfer through direct contact between materials.

The transfer of heat through electromagnetic waves.

The movement of air in the atmosphere caused by temperature differences.

To change from one form to another, particularly when discussing the conversion between different types of energy.

To create something new without any changes.

To destroy something completely without any transformation.

To maintain the same form and structure without any alterations.

A machine that converts sunlight into electricity.

A machine with a rotor and blades that is turned by a moving fluid to create mechanical energy.

A device used to measure wind speed.

A type of engine that runs on fossil fuels.

The total internal energy of an object due to the kinetic energy of its atoms and molecules.

The energy stored in the bonds of chemical compounds.

The energy associated with the motion of an object.

The energy produced by the movement of electrons in a conductor.

Heat energy that originates from the natural thermal processes within the Earth's interior.

Energy derived from solar panels.

Energy produced by wind turbines.

Energy generated from fossil fuels.

The transfer of thermal energy from a warmer substance or area to a cooler one.

The process of cooling down a substance.

The measurement of temperature in a substance.

The ability of a substance to conduct electricity.

The transfer of heat energy between objects or particles that are in direct contact with each other.

The process of heat transfer through fluids due to the movement of the fluid itself.

The transfer of heat energy through electromagnetic waves.

The process of heat transfer that occurs in solids only.

The energy associated with the motion and position of an object, combining both its kinetic and potential energy.

The energy stored in an object due to its position or state.

The energy that is transferred from one object to another during a collision.

The energy that is produced by the movement of electric charges.

Energy that is stored in the bonds of chemical compounds and is released during a chemical reaction.

Energy that is produced by the movement of electrons in a conductor.

Energy that is released during nuclear reactions.

Energy that is derived from the gravitational pull of objects.

Substances that have a fixed shape and cannot flow.

Substances, including liquids and gases, that have no fixed shape and are able to flow from place to place.

Only gases that can flow and change shape.

Only liquids that cannot flow.