Properties of Water

Front

What is adhesion in the context of water?

Back

Adhesion is the property of water that describes its attraction to other substances, allowing it to stick to surfaces.

Front

What is capillary action?

Back

Capillary action is the ability of water to move through narrow spaces against gravity, due to the combination of adhesion and cohesion.

Front

What is the charge of the hydrogen end of a water molecule?

Back

The hydrogen end of a water molecule has a slightly positive charge.

Front

What is an acid?

Back

An acid is a substance with a pH less than 7.

Front

Why does ice float on water?

Back

Ice floats on water because, as water freezes, it expands and its density decreases.

Front

What is cohesion in water?

Back

Cohesion is the property of water that describes its ability to stick to itself, allowing water molecules to form droplets.

Front

What is the significance of water's high specific heat?

Back

Water's high specific heat means it can absorb a lot of heat without a significant change in temperature, helping to regulate climate.

Front

What is surface tension?

Back

Surface tension is the elastic tendency of water's surface, allowing it to resist external force due to cohesive forces between water molecules.

Front

What is the role of water in photosynthesis?

Back

Water is a key reactant in photosynthesis, providing electrons and protons needed for the conversion of carbon dioxide and sunlight into glucose.

Front

What is the pH scale?

Back

The pH scale measures the acidity or alkalinity of a solution, ranging from 0 (acidic) to 14 (alkaline), with 7 being neutral.