The Color of Water

What is the chemical formula for water?

Tags

NGSS.MS-PS1-1

What causes the blue color of water in large bodies like oceans?

• Reflection of the sky

• Absorption and scattering of light

• Presence of algae

• Pollution

Which property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

What is the pH level of pure water at 25°C?

• 0

• 7

• 14

• 5

What is the boiling point of water at sea level?

• 100°C

• 0°C

• 50°C

• 200°C

Which experiment can demonstrate the surface tension of water?

• Floating a needle on water

• Mixing water with oil

• Boiling water

• Freezing water

What is the main reason ice floats on water?

• Ice is denser than water

• Ice is less dense than water

• Ice is heavier than water

• Ice is lighter than air

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

• Condensation

• Evaporation

• Sublimation

• Freezing

Tags

NGSS.MS-ESS2-4

NGSS.MS-PS1-4

Which gas is most commonly dissolved in water?

• Oxygen

• Nitrogen

• Carbon dioxide

• Helium

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

• Cohesion

• Adhesion

• Capillary action

• Viscosity