High School Science Quiz on Water Properties

Multiple Choice Questions on High School Level

• Earth's Surface Covered by Water: 70%

• Hydrosphere Components (NOT): Atmosphere

• Water Cycle Process: Evaporation, Condensation, Precipitation

• Water Molecule Elements: Hydrogen and Oxygen

• Hydrogen to Oxygen Ratio (Volume): 2:1

• Oxygen Percentage by Mass: 88.89%

• Water's Polar Character: Uneven distribution of charge

• Salt Dissolving in Water: Ions in salt are attracted to water's polar molecules

• High Boiling Point of Water: Hydrogen bonding between molecules

• Hydrolysis: Water reacting with other compounds

• NaCl Solution pH: Remains Neutral

• NaHCO₃ Hydrolysis: Solution becomes more Basic

• pH Measurement: Hydrogen ion concentration

• pH 3 Solution: Acidic

• pH 10 Solution: Basic

• Neutral Solution pH: 7

• Transpiration: Water evaporating from plants

• Infiltration: Water soaking into the ground

• Acid Rain Cause: Atmospheric chemical reactions

• Water's Role in Nutrients: Solvent

• Largest Water Portion: Saltwater

• Freshwater Source: Rivers and Lakes

• Water Formula: H₂O

• Water's Polarity and Dissolving Substances: Enhances dissolution

• Hydrogen Ions and pH: Determine acidity/alkalinity

• Hydrologic Cycle Significance: Distributes water globally

• Acid Rain Affect on Water Quality: Decreases quality

• Freshwater Sources: Rivers, lakes, groundwater

• Basic vs. Acidic Solutions: Different concentrations of H⁺ ions

• Solution Basicity Ion: OH⁻

• Solution Acidity Ion: H⁺

• Pure Water pH: 7

• Electronegativity: Atom's ability to attract electrons in covalent bonds

• Ion Definition: Charged atom/molecule

• Covalent Bond: Sharing of electrons

• Hydrogen Bond: Weak attraction between hydrogen and highly electronegative atom

• Water Cycle Impact on Water Quality: Can improve or worsen depending on processes.