Properties of Water

What type of bonding holds water molecules together?

• Ionic bonds

• Metallic bonds

• Covalent bonds

• Hydrogen bonds

What property of water allows insects to walk on its surface?

• Surface tension

• Capillary action

• Buoyancy

• Adhesion

At what temperature does water boil at sea level?

• 50 degrees Celsius or 122 degrees Fahrenheit

• 150 degrees Celsius or 302 degrees Fahrenheit

• 100 degrees Celsius or 212 degrees Fahrenheit

• 75 degrees Celsius or 167 degrees Fahrenheit

Is ice more or less dense than liquid water?

• solid

• equal density

• more dense

• less dense

What phenomenon allows water to move up a narrow tube against gravity that permits very tall trees to exist?

• Hydrostatic pressure

• Capillary action

• Gravity defying effect

• Surface tension

Why is water considered a universal solvent?

• Water is polar and can form hydrogen bonds with other molecules.

• Water cannot dissolve any substances.

• Water is non-polar and repels other molecules.

• Water does not have any hydrogen atoms.

How many hydrogen atoms are in a water molecule?

• 2

• 1

• 3

• 4

What is the angle between two hydrogen atoms in a water molecule?

• 104.5 degrees

• 109.5 degrees

• 90 degrees

• 120 degrees

How does water's high heat capacity affect the climate?

• Water's high heat capacity leads to extreme temperature fluctuations in the atmosphere and oceans.

• Water's high heat capacity has no impact on climate stability.

• Water's high heat capacity moderates temperature changes in the atmosphere and oceans, helping to stabilize the climate.

• Water's high heat capacity causes rapid climate change.

What is the freezing point of water in Celsius?

• -10 degrees

• 100 degrees

• 50 degrees

• 0 degrees