Properties of Water

What is the term used to describe the attraction of water molecules to other substances?

• Cohesion

• Adhesion

• Surface tension

• Capillary action

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Understanding

Explain how water's high specific heat contributes to temperature regulation in living organisms.

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Analyzing

Water is known as the 'universal solvent' because it can dissolve many different substances. What property of water allows it to do this?

• Its polarity

• Its cohesion

• Its high specific heat

• Its expansion upon freezing

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Understanding

Describe the role of water's cohesive and adhesive properties in the transportation of nutrients in plants.

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Applying

When water freezes, it ___, which is unusual compared to most substances.

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Understanding

How does the expansion of water upon freezing benefit aquatic life during winter?

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Analyzing

Water can absorb a lot of heat without drastically changing its own temperature. This property is known as its high ___ heat.

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Applying

Match the words with correct definition.

• ability to absorb heat

• cohesion

• molecules stick to themselves

• polar molecule

• molecules stick to other substances

• high specific heat

• ice floats in water and protects fish

• adhesion

• positive and negative end like a magnet

• expansion on freezing

Which photo represents cohesion?

Which photo represents expansion upon freezing?