Structure of Water and Hydrogen Bonding

What percentage of an adult human's body weight is made up of water?

• 50%

• 60%

• 40%

• 70%

What type of bond is formed between water molecules?

• Hydrogen bond

• Metallic bond

• Ionic bond

• Covalent bond

What property of water allows it to stick to other substances?

• Cohesion

• Adhesion

• Viscosity

• Surface tension

Why are insects able to walk on water?

• Surface tension

• Water's density

• Water's temperature

• Water's color

Why does ice float on water?

• None of the above

• Less dense than water

• Same density as water

• More dense than water