Water Properties

Front

What is an estuary?

Back

A coastal ecosystem where freshwater from rivers meets and mixes with saltwater from the ocean.

Front

What process does a gaseous substance undergo to become a solid?

Back

Deposition.

Front

What is coral bleaching?

Back

Rising temperatures cause corals to expel their microalgae, exposing their white skeleton underneath.

Front

Who discovered the principle of buoyancy?

Back

Archimedes.

Front

What is buoyancy?

Back

The upward force that keeps objects afloat in fluids.

Front

What is the significance of surface tension in water?

Back

Surface tension is the cohesive force at the surface of a liquid that allows it to resist external force.

Front

How does temperature affect the density of water?

Back

As temperature increases, the density of water decreases, causing it to rise.

Front

What is the role of water in regulating climate?

Back

Water absorbs and stores heat, helping to moderate temperatures in the environment.

Front

What is the difference between cohesion and adhesion in water?

Back

Cohesion is the attraction between water molecules, while adhesion is the attraction between water molecules and other substances.

Front

What is the pH level of pure water?

Back

The pH level of pure water is 7, which is considered neutral.