A1.1.4—Adhesion of water
Adhesion attracts water to other polar or charged surfaces, supporting capillary movement through narrow spaces such as soil pores and plant tissues.
- Syllabus
- First assessment 2025
- Objective
- A1.1.4
- Level
- SL
Exam analysis
Chance of appearing1%of analysed past papers
Latest appearanceNovember 2025
Most common paper—
Typical marks1
Common command terms
- Identify
Scoring notes
- Common mistake
- Using adhesion and cohesion as interchangeable terms.
Recent exam appearances
November 2025Paper1A SL · TZ31[ 1 ]A1.1.4—Adhesion of water
Practice this objective
Coverage 2025–2025 · Updated 14 Jul 2026
Concept essentials
- Adhesion is attraction between water and another surface.
- Water adheres well to polar or charged materials.
- Adhesion and cohesion act together during capillary movement.