Across
- 3. Water is known as the "universal" one of these because it dissolves more substances than any other liquid.
- 5. The property of the surface of a liquid that allows it to resist an external force, letting insects walk on water.
- 6. The attraction between molecules of the same substance, causing water to stick to itself.
- 7. The temperature at which water changes from a liquid to a gas, which is 100 degrees Celsius.
- 8. The attraction between molecules of different substances, such as water sticking to glass.
- 9. The weak chemical bond formed between a hydrogen atom of one water molecule and the oxygen atom of another.
Down
- 1. A property that decreases when water freezes, explaining why ice floats on liquid water.
- 2. An uneven distribution of electron density, giving water a partial positive and partial negative charge.
- 4. The temperature at which water changes from a liquid to a solid, which is 0 degrees Celsius.
- 6. The type of action that allows water to move upward against gravity through narrow tubes in plants.