Water Properties

Which part of a water molecule has a Positive Charge?

• The Hydrogen

• The Oxygen

• The Top

• The Bottom

Tags

NGSS.MS-PS1-1

What is the correct chemical formula for water?

• H₂O

• HO₂

• H₂O₂

• ₂H₁O

Tags

NGSS.MS-PS1-1

Which of the following is an example of COHESION?

• water sticking to water

• water sticking to glass

• oil sticking to plastic

• hydrogen sticking to oxygen

Water is polar. What does that mean?

• it is a molecule with opposite charges on opposite ends

• it is a molecule with no charge

• it is a molecule with identical charges on opposite ends

• it is a molecule with too many protons

Tags

NGSS.MS-PS1-1

Water sticks well to many materials. What term relates to this property of water?

• cohesion

• adhesion

• density

• surface tension

Tags

NGSS.HS-ESS2-5

Why does ice float?

• water expands when it freezes, making ice less dense than water

• water compacts when it freezes, making ice more dense than water

• hydrogen bonds in water push the ice to the surface

• ice is afraid of water, and avoids it

Tags

NGSS.MS-PS1-4

Which represents the distribution of water on Earth?

• 3% freshwater, 97% salt water
• 97% freshwater, 3% salt water
• 71% freshwater, 29% salt water
• 29% freshwater, 71% salt water

Tags

NGSS.MS-ESS2-4

Where is most of the freshwater found on Earth?

• lakes
• glaciers
• oceans
• rivers

Tags

NGSS.MS-ESS2-4

Most of the Earth's water is in

• salty oceans
• freshwater lakes
• freshwater ponds
• glaciers

Tags

NGSS.MS-ESS2-4

Approximately _____ percent of Earth's water is freshwater.

• 97

• 1

• 3

• 10

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4