Properties of Water and Watersheds

Which represents the amount of potable water on Earth?

• .006%

• 97%

• 2.4%

• .003%

Tags

NGSS.MS-ESS2-4

What are the unique properties of water? - choose all that apply.

• cohesion

• adhesion

• specific heat

• universal solvent

• unique temperature

In a model of the water molecule - what do the ears of the shape Mickey Mouse represent? What is the charge of this particle of the water molecule? Choose two.

• Hydrogen atoms

• Oxygen atoms

• negative charge

• positive charge

Tags

NGSS.MS-PS1-1

In a model of a water molecule - what does the face of the Mickey Mouse head represent? What is the charge of this particle of the water molecule? Choose two.

• Hydrogen atom

• Oxygen atom

• negative charge

• positive charge

Tags

NGSS.MS-PS1-1

What is the attractive force between two bodies of different substances that are in contact with each other? This is the property of a water molecule that allows it to stick to other substances.

• adhesion

• cohesion

• specific heat

• universal solvent

What is the force that holds molecules of a single substance together and its the property of water that allows one water molecule to stick to other water molecules?

• cohesion

• adhesion

• specific heat

• universal solvent

Which property of water allows it to form droplets when in liquid form?

• adhesion

• cohesion

• specific heat

• nature as a solvent

A water molecule contains two hydrogen atoms and one oxygen atom. Which of the following statements about water molecules is true?

• The oxygen atom is negatively charged and the hydrogen atoms are positively charged.

• The oxygen atom is positively charged and the hydrogen atoms are negatively charged.

• All of the atoms have a negative charge.

• All of the atoms have a positive charge.

Tags

NGSS.MS-PS1-1

Surface tension of the water is the cohesive force between water molecule on the surface of water.

• True

• False

Cohesive force between water molecules and adhesive force between water molecules and other molecules enable this phenomenon __________________ occur.

• surface tension

• capillary action

• float on water

• photosynthesis