Water properties

Water is a universal solvent.

• TRUE

• FALSE

Tags

NGSS.HS-ESS2-5

Why is water a universal solvent?

• because it dissolves a few solutes (because most solutes are polar or ionic)

• because is dissolves no solutes (because most solutes are polar or ionic)

• because it dissolves many solutes (because most solutes are polar or ionic)

Water is _____

• polar

• ionic

Tags

NGSS.HS-ESS2-5

Water shares its electrons unequally.

• True

• False

Tags

NGSS.HS-ESS2-5

Oxygen is ____ electronegative, so it has ____ pull on the electrons.

• more

  stronger

• less

  stronger

• more

  weaker

• less

  weaker

Tags

NGSS.HS-PS1-1

The hydrogen side of the water molecule is partially positive.

• TRUE

• FALSE

The oxygen side of the water molecule is partially positive.

• TRUE

• FALSE

Tags

NGSS.HS-ESS2-5

Water does not have a high specific heat.

• TRUE

• FALSE

Tags

NGSS.HS-PS3-4

What is specific heat?

• The amount of energy needed to raise the temp. of 1 gram of water by 1 degree C.

• The amount of energy needed to lower the temp of 1 gram of water by 1 degree C.

• The amount of energy needed to raise the temp of 1 gram of water by 10 degrees C.

• The amount of energy needed to lower the temp of 1 gram of water by 10 degrees C.

Which gets hot faster?

• ocean (water)

• beach (sand)

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4