Water Review

What is the correct chemical formula for water?

• H₂O

• HO₂

• H₂O₂

• ₂H₁O

Which of the following is an example of COHESION?

• water sticking to water

• water sticking to glass

• oil sticking to plastic

• hydrogen sticking to oxygen

Water is polar. What does that mean?

• it is a molecule with opposite charges on opposite ends

• it is a molecule with no charge

• it is a molecule with identical charges on opposite ends

• it is a molecule with too many protons

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

Water underground is stored in ____________.

• aquifers

• reservoirs

• wells

• depositories

Where does runoff end up?

• ponds
• streams
• rivers
• all of the above

What process occurs when tiny water droplets cling together in the atmosphere?

• clouds

• evaporation

• condensation

• accumulation

What is it called when plants release water vapor through their leaves?

• sublimation

• respiration

• transpiration

• precipitation

What is shown by letter D in the diagram?

• runoff

• groundwater

• melting

• vapor

A semi-enclosed area where fresh water from a river meets salty water from the sea.

• Watershed
• Groundwater
• Estuary
• Ocean