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Environmental Science: Water Properties

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Questions and Answers

What is the significance of surface tension in aquatic environments?

It allows for the freezing of the water surface.

It supports small insects on the surface. (correct)

It increases the temperature of the water.

It prevents water from evaporating.

What would likely happen to aquatic organisms in a habitat that freezes solid?

They would adapt to survive in frozen conditions.

Most would die due to lack of liquid water. (correct)

They would migrate to warmer areas.

They would continue to thrive as the surface thaws.

Which statement best describes a polar molecule?

It always forms ionic bonds.

It has an unequal sharing of electrons. (correct)

It consists of charged ions.

It has an equal sharing of electrons.

Why is water considered an important component of blood?

It acts as a solvent for nutrients and waste. Signup and view all the answers

How do hydrogen bonds contribute to the properties of water?

They allow for a higher boiling point. Signup and view all the answers

What property of water allows it to form an insulating layer when ice freezes?

Low density of ice compared to liquid water Signup and view all the answers

How does cohesion in water facilitate its movement through plants?

It enables water molecules to stick together, aiding transport Signup and view all the answers

In what way does adhesive property of water benefit living organisms?

It enables water to adhere to other polar molecules and surfaces Signup and view all the answers

Which of the following best describes capillary action in water?

Movement of water up narrow tubes against gravity due to cohesion and adhesion Signup and view all the answers

What role does water play as a solvent in organisms?

It facilitates chemical reactions by dissolving solutes Signup and view all the answers

Why is the stability of water considered crucial for living organisms?

It prevents temperature changes, essential for maintaining enzyme activity Signup and view all the answers

Which characteristic of water contributes to its high surface tension?

Strong cohesive forces between water molecules Signup and view all the answers

What is a consequence of ice floating on liquid water for aquatic ecosystems?

It insulates water below, allowing aquatic life to survive during cold conditions Signup and view all the answers