Water and Its Unique Properties

What is the main component of the cytoplasm inside cells?

• Oxygen

• Hydrogen

• Water

• Electrons

Why is water essential to life as we know it?

• It is a universal solvent

• It is a source of energy

• It is required for respiration

• It is involved in all biological processes

What is the shape of an oxygen molecule in water?

• Linear

• Tetrahedral

• Octahedral

• Planar

What is the term used to describe the attraction between partially negative and partially positive ends of water molecules?

• Ionic bond

• Covalent bond

• Hydrogen bond

• Polar bond

What is the key property of water that allows it to flow past itself?

• Surface tension

• Adhesion

• Cohesion

• Evaporative cooling

What is the main reason why lakes don't freeze over completely?

• Hydrogen bonding

• Evaporative cooling

• Surface tension

• Adhesion

What property of water allows it to dissolve polar molecules?

• Hydrogen bonding

• Surface tension

• Cohesion

• Adhesion

What is the term used to describe the ability of water to regulate temperature?

• Evaporative cooling

• Surface tension

• Adhesion

• Cohesion

What is the term used to describe the ability of water to stick to other substances?

• Cohesion

• Evaporative cooling

• Surface tension

• Adhesion

What is the term used to describe the ability of water to stick to itself?

• Adhesion

• Cohesion

• Surface tension

• Evaporative cooling