Oceans

Front

What is ocean pollution?

Back

Ocean pollution refers to the introduction of harmful substances or pollutants into the ocean, which can have immediate and long-term effects on marine ecosystems.

Front

What is upwelling?

Back

Upwelling is the vertical movement of water toward the ocean’s surface, bringing nutrients from the deep ocean to support marine life.

Front

Which ocean is the smallest and shallowest?

Back

The Arctic Ocean is the smallest and shallowest ocean, located near the North Pole.

Front

What is the deep zone in the ocean?

Back

The deep zone is a part of the ocean where there is no light, and many deep-sea animals, like squids, produce their own light through bioluminescence.

Front

What is an ocean current?

Back

An ocean current is a large volume of water flowing in a certain direction, influenced by factors like wind, water density, and the Earth's rotation.

Front

What is salinity?

Back

Salinity is the measure of the amount of salt dissolved in water, which affects the density and buoyancy of ocean water.

Front

What is brackish water?

Back

Brackish water is a mixture of fresh and saltwater, typically found in estuaries where rivers meet the sea.

Front

What is the significance of marine ecosystems?

Back

Marine ecosystems are crucial for biodiversity, providing habitat for countless species, and they play a vital role in global climate regulation.

Front

What is bioluminescence?

Back

Bioluminescence is the ability of certain organisms, like deep-sea creatures, to produce light through chemical reactions in their bodies.

Front

What are tides?

Back

Tides are the regular rise and fall of sea levels caused by the gravitational pull of the moon and the sun on Earth.