Properties of Water

The tightness across the surface of water that enables paper clips to float is ____________.

• adhesion

• capillary action

• surface tension

• polarity

Which end of the water molecule has a slightly positive charge?

• the oxygen end

• the hydrogen end

• both ends are slightly positive

• neither end is positive

Water is a universal solvent because it...

• It can be found anywhere

• It freezes when it gets cold

• floats when frozen

• Dissolves most substances

A water molecule has the chemical formula H2O. This means that the water molecule is made up of

• Two hydrogen atoms and one oxygen atom

• Two oxygen atoms and one hydrogen atom

• Two hydrogen atoms and two oxygen atoms

• Two molecules of water

Tags

NGSS.MS-PS1-1

Water striders can walk on water because of ____________.

• capillary action

• adhesion

• surface tension

• universal solvent

Why is water so good at dissolving so many substances?

• it is polar

• it is less dense as a solid

• cohesion

• adhesion

Which property of water were you learning about at the "Magical Moving Pepper" station?

• surface tension

• universal solvent

• adhesion

• capillary action

Water droplets take a spherical shape (as pictured) because of ____________

• adhesion

• cohesion

• capillary action

• solubility

A molecule with electrically charged areas is called a _______________.

• magnet

• polar molecule

• solution

• electrical molecule

Tags

NGSS.MS-PS2-3

Water moves through plant roots and in other substances with pores because of ___________.

• surface tension

• polarity

• capillary action

• gravity

Tags

NGSS.MS-ESS2-4