Wonders a Drop of Water

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

Which property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

What is the process called when water changes from a liquid to a gas?

• Condensation

• Evaporation

• Sublimation

• Freezing

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

What percentage of the Earth's surface is covered by water?

• 50%

• 60%

• 70%

• 80%

Tags

NGSS.MS-ESS2-4

Which of the following is a unique property of water?

• It is denser as a solid than as a liquid

• It has a high specific heat capacity

• It is a good conductor of electricity

• It is colorless in all forms

What is the boiling point of water at sea level?

• 90°C

• 100°C

• 110°C

• 120°C

What is the main component of a water molecule?

• Two hydrogen atoms and one oxygen atom

• Two oxygen atoms and one hydrogen atom

• One hydrogen atom and one oxygen atom

• Two hydrogen atoms and two oxygen atoms

Tags

NGSS.MS-PS1-1

Which phenomenon explains why water droplets form on a cold surface?

• Evaporation

• Condensation

• Sublimation

• Precipitation

Tags

NGSS.MS-ESS2-4

What is the term for water's ability to climb up a narrow tube against gravity?

• Cohesion

• Adhesion

• Capillary action

• Surface tension

Which of the following is NOT a phase of water?

• Solid

• Liquid

• Gas

• Plasma

Tags

NGSS.MS-PS1-4