Properties of Water

Multiple Choice

Which of the following statements best explains the significance of water for living organisms?

• Water is needed for recreational activities.

• Water is a major component of living cells and is necessary for survival.

• Water is only important for plants, not animals.

• Water is used only for cleaning purposes.

Fill in the Blank

The unequal sharing of electrons in a water molecule makes it ___ .

Multiple Choice

What type of bond connects the atoms in a water molecule?

• Covalent bond

• Ionic bond

• Hydrogen bond

• Metallic bond

Fill in the Blank

________ bonds form between water molecules.

Multiple Choice

Which property of water allows it to stick to other water molecules?

• Cohesion

• Adhesion

• Surface tension

• Capillary action

Open Ended

Describe the difference between cohesion and adhesion.

Multiple Choice

What is adhesion in the context of water molecules?

• Water molecules sticking to each other due to attraction of charges.

• Water molecules sticking to something other than water due to attraction of charges.

• Water molecules evaporating from a surface.

• Water molecules freezing on a surface.

Multiple Select

Which of the following are examples of capillary action?

• Water moving up a plant stem.

• A spider walking on water.

• Paper towels soaking up spills.

• Water droplets forming on a leaf.

Fill in the Blank

Surface tension is a special form of ___ that causes the surface of water to resist rupture.

Open Ended

Explain how the high specific heat of water benefits the environment, using the example of oceans or lakes.

Fill in the Blank

Substances that do not dissolve in water are called ___.

Multiple Select

Which of the following substances are hydrophilic?

• Plastic wrap

• Oil

• Sugar

• Wax