2. Water Notes

3. Prediction Actual

5. Water has many characteristics that are essential to life and the maintenance of Earth. Water covers about …

6. ¾ of the surface of Earth

7. It is the only substance on Earth that is found in great quantities in all three states….

8. Solid, liquid, and gas

9. Many of the characteristics of water are due to the attraction water molecules have for one another. This was demonstrated in class by placing drops of water onto a penny. Many more drops than were predicted could be placed on the penny, and the pile of water grew quite high, because the attraction of water molecules for one another (cohesion) was strong enough to counter gravity.

10. Cohesion

11. The fact that pepper, needles and water-spiders can stay on the surface of water is evidence of …

12. Surface tension

13. Which results in a skin-like characteristic to water’s surface. This phenomenon could be reduced by adding detergent to the water

14. On a hot summer day, a shallow puddle of water is much cooler than a sheet of metal because water has an unusually high …

15. Specific heat and will absorb a great deal of heat before its temperature will increase

16. July December

17. Unlike most other substances, the solid form of water (ice is) ____ dense

18. Less dense than the liquid form, resulting in ice forming at the surface of a body of water

19. In addition to all that, because water will dissolve so many substances, it is often referred to as the universal …

20. Solvent

21. Hydrogen Bonds

22. Water vs Ice