Properties of Water

Noah, Michael, and Ava are having a debate about the shape of a water molecule. Noah says it's linear, Ava thinks it's tetrahedral, Michael believes it's bent, and their teacher suggests it might be trigonal planar. Who is correct?

• Linear

• Tetrahedral

• Bent

• Trigonal planar

What is the main reason water can be transported against gravity in plants?

• Adhesion

• Cohesion

• Surface tension

• Evaporation

William, Anika, and Aria were conducting a science experiment in their class. They noticed that water was able to dissolve many other substances. What property of water was responsible for this?

• Surface tension

• Cohesion

• Adhesion

• Solvent power

Why does ice float on water?

• Ice is less dense than water

• Ice is more dense than water

• Ice has higher specific heat than water

• Ice has lower specific heat than water

Zoe, Liam, and Priya are studying the effects of water on the temperature of a lake. What property of water helps in stabilizing the lake's temperature?

• High specific heat

• Evaporation

• Surface tension

• Solvent power