Classify each statement as an example of adhesion, cohesion, or surface tension. Drag each statement to the appropriate bin. • View Available Hint(s) Reset Help A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface. Water molecules cling to plant cell walls. A water strider runs across a pond without breaking the surface. A sewing needle floats when it is placed gently on top of water in a bucket. Water molecules cling to the side of a beaker, Water molecules are attracted to each other. adhesion cohesion surface tension

Human Anatomy & Physiology (11th Edition)
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### Classifying Examples of Adhesion, Cohesion, and Surface Tension

**Instructions:** Classify each statement as an example of adhesion, cohesion, or surface tension by dragging each statement to the appropriate bin.

---

#### Statements:

1. **A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.**
2. **Water molecules cling to plant cell walls.**
3. **A water strider runs across a pond without breaking the surface.**
4. **A sewing needle floats when it is placed gently on top of water in a bucket.**
5. **Water molecules are attracted to each other.**
6. **Water molecules cling to the side of a beaker.**

---

#### Classification Bins:

- **Adhesion**
  
- **Cohesion**

- **Surface Tension**

---

#### Detailed Descriptions:

**Adhesion:**

- **Water molecules cling to plant cell walls.**
- **Water molecules cling to the side of a beaker.**

*Adhesion* refers to the tendency of different substances to cling to one another. In this context, it describes water molecules' attraction to other types of surfaces.

**Cohesion:**

- **Water molecules are attracted to each other.**

*Cohesion* refers to the attraction between molecules of the same substance, such as water molecules sticking together due to hydrogen bonding.

**Surface Tension:**

- **A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.**
- **A water strider runs across a pond without breaking the surface.**
- **A sewing needle floats when it is placed gently on top of water in a bucket.**

*Surface tension* is a physical property that arises from the cohesive forces between liquid molecules, causing the surface of the liquid to contract and behave like a stretched elastic membrane. This property allows small objects, even those denser than water, to remain on the surface without sinking, provided they do not break through the surface layer.
Transcribed Image Text:### Classifying Examples of Adhesion, Cohesion, and Surface Tension **Instructions:** Classify each statement as an example of adhesion, cohesion, or surface tension by dragging each statement to the appropriate bin. --- #### Statements: 1. **A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.** 2. **Water molecules cling to plant cell walls.** 3. **A water strider runs across a pond without breaking the surface.** 4. **A sewing needle floats when it is placed gently on top of water in a bucket.** 5. **Water molecules are attracted to each other.** 6. **Water molecules cling to the side of a beaker.** --- #### Classification Bins: - **Adhesion** - **Cohesion** - **Surface Tension** --- #### Detailed Descriptions: **Adhesion:** - **Water molecules cling to plant cell walls.** - **Water molecules cling to the side of a beaker.** *Adhesion* refers to the tendency of different substances to cling to one another. In this context, it describes water molecules' attraction to other types of surfaces. **Cohesion:** - **Water molecules are attracted to each other.** *Cohesion* refers to the attraction between molecules of the same substance, such as water molecules sticking together due to hydrogen bonding. **Surface Tension:** - **A drop of water spilled on a table forms a drop on the table, rather than spreading out over the surface.** - **A water strider runs across a pond without breaking the surface.** - **A sewing needle floats when it is placed gently on top of water in a bucket.** *Surface tension* is a physical property that arises from the cohesive forces between liquid molecules, causing the surface of the liquid to contract and behave like a stretched elastic membrane. This property allows small objects, even those denser than water, to remain on the surface without sinking, provided they do not break through the surface layer.
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