Properties of Water

What is the term used to describe the attraction between molecules of the same substance, such as water molecules?

• Adhesion

• Cohesion

• Surface tension

• Capillary action

Which property of water allows it to stick to other substances, such as glass or plant tissues?

• Cohesion

• Adhesion

• Surface tension

• Specific heat

What is the phenomenon called when water rises in a narrow tube against the force of gravity?

• Surface tension

• Capillary action

• Cohesion

• Adhesion

Which property of water is responsible for the formation of droplets on a surface?

• Adhesion

• Cohesion

• Surface tension

• Capillary action

Water is known as the "universal solvent." What does this mean?

• It can dissolve all substances.

• It can dissolve more substances than any other liquid.

• It can only dissolve ionic compounds.

• It cannot dissolve non-polar substances.

Explain why water has a high specific heat capacity and how this affects the environment.

• Water heats up and cools down quickly, causing rapid temperature changes.

• Water heats up and cools down slowly, moderating climate and temperature.

• Water's specific heat has no effect on the environment.

• Water's specific heat only affects aquatic life.

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NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

Which of the following best describes a colloid?

• A homogeneous mixture with particles that do not settle.

• A heterogeneous mixture with particles that settle over time.

• A solution with dissolved particles.

• A mixture with visible particles that can be filtered.

How does surface tension affect the behavior of small insects on water surfaces?

• It allows them to sink easily.

• It prevents them from moving.

• It allows them to walk on water.

• It has no effect on them.

Compare and contrast a solution, colloid, and suspension in terms of particle size and stability.

• Solutions have the largest particles and are least stable.

• Colloids have medium-sized particles and are stable.

• Suspensions have the smallest particles and are most stable.

• Solutions have medium-sized particles and are unstable.

Why is water's ability to dissolve substances important for biological systems?

• It allows for the formation of solid structures.

• It enables the transport of nutrients and waste in organisms.

• It prevents chemical reactions from occurring.

• It limits the diversity of life forms.

Tags

NGSS.MS-LS2-1

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