Properties of Water

What two elements make up water?

• Helium and Carbon

• Oxygen and Carbon

• Oxygen and Hydrogen

• Helium and Oxygen

In a water molecule ___________ has the positive charge.

• Oxygen

• Helium

• Nitrogen

• Hydrogen

In a water molecule _________ has the negative charge.

• Oxygen

• Helium

• Nitrogen

• Hydrogen

Some insects and lizards can walk on water due to ____________.

• Capillary Action

• Surface Tension

• Specific Heat

• Adhesion

The tendency of water molecules to attract to different substances is called _________________?

• Specific Heat

• Surface Tension

• Cohesion

• Adhesion

The ________ is the part of the solution that dissolves the other substances.

• Small molecule

• Solvent

• Large molecule

• Solute

Water molecules are strongly attracted to one another due to ___________ bonds, which causes ___________.

• Hydrogen; Adhesion

• Ionic; Adhesion

• Ionic; Cohesion

• Hydrogen; Cohesion

____________ bonds form through the electrical force between two oppositely charged ions, like salt or sodium chloride (NaCl).

• Polar Covalent

• Ionic

• Covalent

• Hydrogen

Ice floats on water because it expands when it freezes, and becomes _________ dense as/than water.

• Equally

• Less

• More

When water molecules bond to the xylem in the plants, it is displaying the property of ____________.

• Cohesion

• Adhesion

• Surface tension

• Polarity