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

Which of the following is a unique property of water that supports life?

• High boiling point

• High specific heat capacity

• Low density

• High viscosity

What is the pH level of pure water?

• 0

• 7

• 14

• 5

How does water's high specific heat capacity affect Earth's climate?

• It causes rapid temperature changes.

• It stabilizes ocean temperatures.

• It increases atmospheric pressure.

• It decreases humidity.

Tags

NGSS.MS-ESS2-6

What is the term for water moving through a plant from roots to leaves?

• Transpiration

• Photosynthesis

• Respiration

• Osmosis

Which experiment can demonstrate water's surface tension?

• Floating a needle on water

• Mixing oil and water

• Boiling water

• Freezing water

What happens to water molecules when they freeze?

• They move faster.

• They form a crystalline structure.

• They break apart.

• They evaporate.

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Why does ice float on water?

• Ice is denser than water.

• Ice is less dense than water.

• Ice has more mass than water.

• Ice has less volume than water.