properties of water .3c

-A water molecule is composed of 2 H atoms and 1 O atom. What is the chemical equation for water?

• HO

• H2O

• H3O

• H2O2

Tags

NGSS.MS-PS1-1

Water is a polar molecule, which means it has a positive and a negative side. Hydrogen bonds form when:

• _{The positive end of one water molecule bonds to the positive end of another water molecule.}

• _{The negative end of one water molecule bonds to the negative end of another water molecule.}

• _{The positive end of one water molecule bonds to the negative end of another water molecule.}

Tags

NGSS.MS-PS1-2

The ability of water molecules to stick to each other, creating surface tension is called:

• Cohesion

• Adhesion

• Insulation

• Ph

The fact that water can stick to other substances is called:

• Ph

• Adhesion

• Cohesion

• Insulation

True or False:

Water exists in the following states:

-Solid

-Liquid

-Gas

• True

• False

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does ice float on water?



• When it freezes it becomes less dense

• When it freezes it becomes more dense

• When it freezes its density stays the same

Tags

NGSS.MS-PS1-4

What is the attractive force between two bodies of different substances that are in contact with each other? This is the property of a water molecule that allows it to stick to other substances.

• adhesion

• cohesion

• specific heat

• universal solvent

What is the force that holds molecules of a single substance together and its the property of water that allows one water molecule to stick to other water molecules?

• cohesion

• adhesion

• specific heat

• universal solvent

What are the unique properties of water? - choose all that apply.

• cohesion

• adhesion

• specific heat

• universal solvent

• unique temperature

Tags

NGSS.MS-ESS2-4

A(n) _________________ is a liquid that dissolves substances or the substance in which the solute dissolves.

• solvent

• solute

• mixture

• molecule