Properties of Water Review

What two elements make up water?

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

Tags

NGSS.MS-PS1-1

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

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

What is the reason why oil and water don't mix?

• Oil is too heavy to mix with water
• Water can only mix with polar molecules 
• Water can only mix with non-polar molecules
• Oil is too light to mix with water 

Paper clips are able to float on water because of ....

• adhesion
• capillary action
• surface tension
• universal solvent

Surface tension is caused by ...

• strong cohesion between water molecules
• strong adhesion between the water molecules
• condensation
• water cycle

Tags

NGSS.HS-PS1-3

Attractions between water molecules are called

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

Tags

NGSS.MS-PS1-1

Because water has a positive charge and a negative charge, it is ....

• polar
• normal
• negative
• positive

Water is polar because...

• The unequal sharing of electrons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

• The unequal sharing of protons gives the water molecule a slight negative charge near its oxygen atom and a slight positive charge near its hydrogen atoms.

• The unequal sharing of electrons gives the water molecule a slight negative charge near its hydrogen atoms and a slight positive charge near its oxygen atom.

• The water molecule is neutral.

Tags

NGSS.MS-PS1-1

To what does the term valance refer?

• Electrons in the innermost energy level.
• Protons in the innermost energy level.
• Electrons in the outermost energy level.
• Protons in the outermost energy level.