Water Quiz

What is the chemical formula for water?

• HO2

• H3O

• H2O

• O2H

What is the boiling point of water in Celsius?

• 50 degrees

• 150 degrees

• 0 degrees

• 100 degrees

What is the freezing point of water in Celsius?

• -10 degrees

• 100 degrees

• 0 degrees

• 20 degrees

What is the density of water?

• 2 g/cm³

• 0.5 g/cm³

• 10 g/cm³

• 1 g/cm³

What is the process called when water changes from a liquid to a gas?

• evaporation

• condensation

• sublimation

• melting

What is the process called when water changes from a gas to a liquid?

• melting

• sublimation

• condensation

• evaporation

What is the term for the continuous movement of water on, above, and below the surface of the Earth?

• Aquatic cycle

• Water movement

• Water cycle

• Hydrological cycle

What is the term for the pollution that comes from a single source, such as a factory or sewage treatment plant?

• water pollution

• air pollution

• point source pollution

• non-point source pollution

What is the term for the pollution that comes from many different sources, such as runoff from roads, lawns, and farms?

• point source pollution

• air pollution

• industrial pollution

• nonpoint source pollution

What is the term for the process of removing impurities from water to make it safe for drinking?

• water purification

• water decontamination

• water distillation

• water filtration