Water Properties Checkpoint

Which substance is referred to as a "Universal Solvent"?

• oil

• water

• Kool-aid

• a surfactant

Water is a ___ molecule.

• polar

• nonpolar

• ionic

Tags

NGSS.HS-ESS2-5

What can you conclude about the liquids in the cup?

• they are both polar

• they are both nonpolar

• one is polar and the other is nonpolar

Tags

NGSS.MS-PS1-2

According to the phrase "Like dissolves Like", a polar substance will dissolve in:

• a polar solvent

• a nonpolar solvent

Which of the following properties best explains why a basilisk lizard is able to run across water?

• capillary action

• like dissolves like

• surface tension

• polarity

The ability of water to move through and around substances is called?  (Examples:  Water moving through a paper towel; water being transported from the roots to the top leaves of a tree.)

• Capillary action
• Cohesion action
• Concave action
• None of the above

Tags

NGSS.HS-ESS2-5

Why does Ice float?

• Ice is less dense than in water in liquid form.
• Ice is more dense than in water in liquid form.
• Ice has more surface tension
• None of the above

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

Tags

NGSS.MS-PS1-1

Which is NOT a unique property of water?

• Frozen water floats on liquid water.
• Water covers most of the Earth’s surface and retains a large amount of heat.
• Water molecules stick to each other through hydrogen bonds.
• Water cools very rapidly.

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Tags

NGSS.HS-ESS2-5