Water On Earth

How many hydrogen atoms are in a water molecule

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

How many oxygen atoms in a water molecule?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-PS1-1

What is the charge on the hydrogen atom in the water molecule?

• positive

• slight positive

• negative

• slight negative

Tags

NGSS.MS-PS1-1

What is the charge on the oxygen atom in the water molecule?

• positive

• slight positive

• negative

• slight negative

Tags

NGSS.MS-PS1-1

__________________ is the attraction between different substances.

• adhesion

• capillary action

• cohesion

• surface tension

A molecule with an uneven distribution of charge where one side is positive and one side is negative is called a

• non polar molecule

• ion

• isotope

• polar molecule

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

• cohesion

• adhesion

• density

• surface tension

Snow, sleet, hail, and rain are all examples of  ________________. 

• evaporation
• condensation
• accumulation
• precipitation

Tags

NGSS.MS-ESS2-4