1. Reading Quiz 1.Water molecules have the ability to form weak attractions called __________ bonds with each other. 2.Water has a partially negative charged region and a partially positive charged region so we call it a _________ molecule. 3.Describe a way that water helps regulate the temperature of organisms. 4.Does frozen water float or sink?

2. AP Biology Biochemistry: Water Part 1

3. Earth

4. States of Water

5. Water Cycle Transport over land Precipitation over land Evaporation from ocean Precipitation over ocean Net movement of water vapor by wind Solar energy Evapotranspiration from land Runoff and groundwater Percolation through soil

6. Water and Polarity Hydrogen bonds

7. Water and Cohesion Water-conducting cells 100 µm

8. Adhesion

9. Earth and Temperature

10. Water and Temperature Hydrogen bonds

11. What happens to the ice?

12. Evaporative Cooling

13. Evaporative Cooling in plants

14. Hydrogen Bond angles

15. Life below the water