Final answer:
A person at the beach at night would experience convection currents in the form of sea breezes.
During the day, the land heats up faster than the water, causing a sea breeze that blows from the ocean towards the land. At night, the opposite occurs, causing a land breeze that blows from the land towards the ocean.
Step-by-step explanation:
Convection currents are created by the uneven heating of fluid liquid or gas, which creates the current. As the fluid is heated, its molecules move faster and further apart, which results in the fluid becoming less dense.
At the beach at night, a person would experience convection currents in the form of sea breezes. During the day, the land heats up faster than the water, causing the air above the land to become warmer and rise.
As the warm air rises, cooler air from the ocean moves in to replace it, creating a sea breeze that blows from the ocean towards the land. At night, the opposite occurs. The land cools down faster than the water, causing the air above the land to become cooler and sink.
As the cool air sinks, warmer air from the ocean moves towards the land, creating a land breeze that blows from the land towards the ocean.