Properties of Water

Front

What is surface tension?

Back

Surface tension is the tightness across the surface of water that allows objects, like paper clips, to float.

Front

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

Back

The oxygen end of the water molecule has a slightly negative charge.

Front

True or False: Water can bounce on water because of surface tension.

Back

True.

Front

Why do water droplets take a spherical shape?

Back

Water droplets take a spherical shape because of cohesion, which is the attraction between water molecules.

Front

What is capillary action?

Back

Capillary action is the ability of water to move through narrow spaces, such as in plants, allowing water to travel from roots to leaves.

Front

What is cohesion in relation to water?

Back

Cohesion is the attraction between water molecules that causes them to stick together.

Front

What is adhesion in relation to water?

Back

Adhesion is the attraction between water molecules and other substances, which allows water to climb up surfaces.

Front

How does temperature affect the density of water?

Back

As water cools, it becomes denser until it reaches 4°C; below this temperature, it becomes less dense, which is why ice floats.

Front

What is polarity in water molecules?

Back

Polarity in water molecules refers to the uneven distribution of charge, with a slightly negative oxygen end and slightly positive hydrogen ends.

Front

What role does water play in temperature regulation for the Earth?

Back

Water has a high specific heat capacity, which helps regulate temperature by absorbing and releasing heat slowly.