Water Resources

What property of water makes it an excellent solvent?

• Non-polarity

• Cohesion

• Polarity

• High density

How do hydrogen bonds contribute to the high specific heat of water?

• By preventing heat absorption

• By requiring additional energy to break

• By lowering the boiling point

• By forming ionic compounds

Tags

NGSS.MS-PS3-4

Which of the following best explains why ice floats on water?

• Water's hydrogen bonds become stronger as it freezes

• Ice forms a crystalline structure that is less dense than liquid water

• The molecules of ice are more tightly packed than water

• Ice has a lower specific heat capacity

What phenomenon allows plants to pull water from roots to leaves?

• Surface tension

• Capillary action

• High specific heat

• Solvent properties

Which factor does not directly influence water quality?

• Seasonal temperature changes

• Soil erosion

• Cohesion and adhesion

• Pollution sources

Tags

NGSS.MS-ESS2-4

In the water cycle, what is the primary role of the Sun?

• Driving condensation

• Generating gravity for runoff

• Providing energy for evaporation

• Absorbing groundwater

Tags

NGSS.MS-ESS2-4

How does water's high specific heat benefit aquatic ecosystems?

• By increasing temperature fluctuations

• By stabilizing temperature variations

• By evaporating quickly

• By increasing organism density

Tags

NGSS.MS-PS1-4

Which process is responsible for the movement of water through plants?

• Transpiration

• Evaporation

• Condensation

• Precipitation

Tags

NGSS.MS-ESS2-4

How does point-source pollution differ from non-point source pollution?

• Point-source pollution originates from multiple sources

• Non-point source pollution has no traceable origin

• Non-point source pollution comes only from factories

• Point-source pollution involves only agricultural runoff

Tags

NGSS.MS-ESS3-3

What role do bioindicators play in water quality testing?

• Measure dissolved oxygen levels

• Respond to environmental changes

• Increase turbidity

• Decrease nitrates