Reading Quiz 1.Water molecules have the ability to form weak attractions called __________ bonds with each other. 2.Water has a partially negative charged.

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Presentation transcript:

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?

AP Biology Biochemistry: Water Part 1

Earth

States of Water

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

Water and Polarity Hydrogen bonds

Water and Cohesion Water-conducting cells 100 µm

Adhesion

Earth and Temperature

Water and Temperature Hydrogen bonds

What happens to the ice?

Evaporative Cooling

Evaporative Cooling in plants

Hydrogen Bond angles

Life below the water