Properties of Water

Front

What is the chemical formula for water?

Back

H2O, which means it is made up of two hydrogen atoms and one oxygen atom.

Front

Why can water striders walk on water?

Back

Because of surface tension.

Front

Which end of the water molecule has a slightly negative charge?

Back

The oxygen end.

Front

What allows you to stretch water with a toothpick?

Back

Adhesion.

Front

Why do water droplets take a spherical shape?

Back

Because of cohesion.

Front

What is cohesion in relation to water?

Back

Cohesion is the attraction between water molecules, causing them to stick together.

Front

What is adhesion in relation to water?

Back

Adhesion is the attraction between water molecules and other substances.

Front

What is surface tension?

Back

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

Front

What is capillary action?

Back

Capillary action is the ability of water to flow in narrow spaces without the assistance of external forces.

Front

What does it mean that water is a universal solvent?

Back

It means that water can dissolve many substances, making it essential for life.