Fill in the word that completes each statement.

Building up electric charges on a Van de Graaff generator is an example of static
.

Lightning is an example of static
.

Building up electric charges on a Van de Graaff generator is an example of static electricity.

Lightning is an example of static electricity.

Building up electric charges on a Van de Graaff generator is an example of static electricity.

Lightning is an example of static electricity.

Building up electric charges on a Van de Graaff generator is an example of static electric discharge.

To fill in the missing word, we consider that when we charge a Van de Graaff generator, it accumulates a large amount of electric charge. However, when this charge builds up to a high enough level, it can escape or discharge in a sudden and visible manner. This release of electric charge is known as static electric discharge.

Lightning is an example of static electric discharge.

Similarly, for the second statement, lightning is a natural phenomenon that occurs when there is a discharge of static electricity between clouds or between a cloud and the ground. When the accumulated electric charge in the atmosphere is released, it travels through conductive paths, resulting in a sudden and powerful flash of light known as lightning.

In both cases, static electric discharge is the process by which the built-up static electric charge is released, leading to a visible display of electricity.