Water

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• is polar and dissolves most substances

Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?

• Water is an acid.

• Water is a versatile solvent.

• Water has a high specific heat.

• Water acts as a buffer.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

What is water's molecular formula

• H₂O

• H₂O₂

• O₂H

• CO₂

Tags

NGSS.MS-PS1-1

It is also described as an electrostatic attraction between a hydrogen atom, which is bonded to a highly electronegative atom, and a neighboring oxygen, nitrogen or fluorine atom.

• Hydrological Cycle

• Hydrogen Bond

Tags

NGSS.MS-PS2-3

A solvent is...

• substance into which the solute dissolves
• a compound being dissolved
• a substance that does not dissolve
• None of the above

Attractions between water molecules are called

• Covalent bonds
• Ionic bonds
• Polar bonds
• Hydrogen bonds

Tags

NGSS.HS-PS1-3

Which property of water is responsible for capillary action?

• adhesion

• cohesion

• density

• specific heat

Water has cohesive properties that creates ___?____which allows an insect to walk on water.

• ice

• capillary action

• surface tension

• density

Why would a layer of ice be important on a lake during winter?

• ice doesn't cause erosion

• keeps water cooler and from evaporation

• ice prevents the water from freezing underneath.

Tags

NGSS.MS-PS1-4

True or False:

The high specific heat capacity of water helps an organism like yourself maintain a constant body temperature.

• True

• False

Tags

NGSS.HS-LS1-3