Water Unique Properties in Science

How many hydrogen atoms are in a water molecule? (HINT: H₂0)

• 5

• 1

• 2

• 0

Tags

NGSS.MS-PS1-1

Which statement explains why water molecules stick together?

• both sides are negative

• one side has a positive charge and the other side has a negative charge

• one side has a negative charge adn the other side has a neutral charge

• both sides are positive

What kind of molecule is water?

• Ionic

• Polar Covalent

• Nonpolar Covalent

• Metallic

Tags

NGSS.MS-PS1-1

Which of the following can water NOT dissolve?

• Ionic Compounds

• Polar Compounds

• Nonpolar Compounds

What is adhesion?

• Water's ability to stick to itself

• Water's ability to stick to other substances

• The strength of the cohesion of all the water molecules combined

• Tape, glue and other adhesives

What is cohesion?

• Water's ability to stick to itself

• Water's ability to stick to other substances

• The strength of the cohesion of all the water molecules combined

• Tape, glue and other adhesives

Why can water have no net charge but have slight charges in different parts of the molecule?

• The oxygen end is slightly negative and the hydrogen end is slightly positive

• The hydrogen end is slightly negative and the oxygen end is slightly positive

• The hydrogen and oxygen ends change in polarity

• Because it is hydrophobic

Water’s ability to be attraction to other water molecules.

• adhesion

• capillary action

• cohesion

• surface tension

Tags

NGSS.MS-PS2-5

What word describes when water is attracted to other substances?

• cohesion

• adhesion

• capillary action

• surface tension

A molecule with electrically charged areas is called a _______________.

• magnet

• polar molecule

• solution

• electrical molecule

Tags

NGSS.MS-PS1-1