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Capillary Action in Plants: How Water Rises

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Capillary Action in Plants: How Water Rises

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Questions and Answers

What is the main reason behind the upward flow of a liquid in capillary action?

The cohesive forces of the liquid are stronger than the adhesive forces.

The surface tension of the liquid is weaker than the cohesive forces.

The adhesive forces of the liquid are stronger than the cohesive forces. (correct)

The liquid has a higher density than the solid.

What is the term for the ability of a liquid to stick to itself molecularly?

Adhesion

Surface Tension

Cohesion (correct)

Capillary Action

What is the result of the combination of cohesion, adhesion, and surface tension in capillary action?

A downward flow of the liquid

An upward flow of the liquid (correct)

A horizontal flow of the liquid

No flow of the liquid

Why does the water seemingly crawl up the pant leg in the example given?

Due to the capillary action of the water Signup and view all the answers

What is the term for the intermolecular forces within a liquid that work together to give liquid a top layer that works as a film?

Surface Tension Signup and view all the answers

What is the necessary condition for capillary action to work effectively?

The adhesive forces of the liquid must be stronger than the cohesive forces Signup and view all the answers

What is the phenomenon in which a liquid seemingly defies gravity to flow upward within a solid?

Capillary Action Signup and view all the answers

What is the primary function of capillary action in plants?

To distribute water to every inch of the plant Signup and view all the answers

What property of water molecules allows them to stick to other objects?

Adhesion Signup and view all the answers

What can prevent capillary action from occurring in plants?

Gravity and slow capillary speed Signup and view all the answers

What is the term for the process of water molecules climbing the walls of a plant's stem?

Transpiration pull Signup and view all the answers

What is the effect of a larger opening on the speed of water traveling upward through a plant?

It decreases the speed Signup and view all the answers

What is the purpose of the demonstration involving a cup of water with food dye and a celery stalk?

To visualize the concept of water traveling upward through a plant Signup and view all the answers

Why is capillary action important for plant growth?

It enables plants to grow more than a few inches tall Signup and view all the answers

What is an example of a product that relies on capillary action to function correctly?

A fountain pen Signup and view all the answers