Properties of Water

Front

What term describes water having a slightly positive and a slightly negative charge on its ends?

Back

Polar

Front

Why does ice float on water?

Back

Because as water freezes, the molecules spread out, decreasing its density.

Front

What makes water a universal solvent?

Back

It dissolves more substances than any other liquid.

Front

What is the chemical formula for water?

Back

H2O

Front

What property of water allows it to form hydrogen bonds?

Back

Polarity.

Front

What is cohesion in relation to water?

Back

Cohesion is the property that allows water molecules to cling to each other.

Front

What is adhesion in relation to water?

Back

Adhesion is the property that allows water molecules to cling to other substances.

Front

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

Back

It helps regulate temperature in the environment and in organisms.

Front

What is surface tension and how is it related to water?

Back

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

Front

How does water's density change when it freezes?

Back

Water becomes less dense when it freezes, which is why ice floats.