Properties of Water Informal Assessment

What is the chemical structure of water?

• 2 atoms oxygen, 2 atoms hydrogen

• 1 atom carbon, 2 atoms hydrogen

• 1 atom oxygen, 2 atoms hydrogen

• 2 atoms oxygen, 1 atom hydrogen

Tags

NGSS.MS-PS1-1

What makes water have unique properties?

• Molecular structure of water

• Mrs. Williams

• Crystal lattice

• Because it's wet

What is cohesion?

• When water sticks to other things

• A pond

• Water's attraction to water

• Adhesion

What is adhesion?

• Water's attraction to water

• Water's attraction to other substances

• A low density solid

• A set of rules

What is surface tension?

• A headache caused by stress

• When the surface becomes awkward

• When molecules create a layer of thin thin ground

• When cohesion creates a film on the surface of the water

Water Is polar.

• True

• False

Salt can dissolve in water.

• True

• False

Tags

NGSS.MS-PS1-2

Specific heat measures...

• How warm something is

• How heavy something is

• How reactive something is

• How easily something heats up

Tags

NGSS.HS-PS3-4

Why is ice less dense than liquid water?

• Because the hydrogen bonds get locked into place

• So that we can ice skate

• Because of its high specific heat

• Because it is adhesive

Why is water polar?

• It's "wet."

• The oxygen atom is slightly negative and hydrogen slightly positive.

• The hydrogen atoms are slightly negative and oxygen slightly positive.

• The oxygen atoms are slightly positive and hydrogen slightly negative.