Page 103

Homework: Study Guide

Page 104

Thursday, February 19, 2015Friday, February 20, 2015

Water Cycles and Watersheds

Thursday, February 19, 2015Friday, February 20, 2015

Water Cycles and Watersheds

E.Q. – What is a watershed and how does the water cycle affect it?

Warm Up: Use lab and 10C of text

Distribution of Water Review

Water Cycle Diagram (10 min)Make a flow chart or create a diagram representing the events of the water cycle. Use the following words: solar energy, evaporation, precipitation, condensation, transpiration, runoff, and groundwater

___% Land to ___ % Water on Earth

___% Salt Water to ___ % Fresh Water on Earth

Why can’t we access most fresh water?

Watershed

Ocean or Gulf or Bay

Watersheds (30 min)A water shed is _______________________________________________________. It may also be called a _______ _______ or a _________ __________.DE Article “Getting to Know: Watersheds, Wetlands, and EstuariesDE Video – Water as a Resource (15:03)

Infiltration

Aquifer

Watershed Pollution Waste WaterConserve Water

What is a watershed and what are the major watersheds in your state?

What are the components and characteristics of a river system?

How can the water quality in a watershed be affected by human activity?

Watershed or River Basin: The tract of land that supplies water to a river system. People’s actions within a watershed can affect the overall quality of its rivers.

Divide: Boundary that marks the outermost limit of a watershed. It is the boundary between one river basin and another river basin.

Headwaters: Also called the source. It is the beginning of the river. The headwaters are often located in mountains.

Tributary: A smaller stream or river that joins a larger stream or main river

Main Channel or Main River: The main river channel is the primary channel and course of a river

Floodplain: The floodplain is relatively flat land through which a river flows, which may flood during heavy rain. The soil here is usually very rich and good for growing food.

Mouth: The mouth is the place where a river flows into a larger body of water, such as another river, a lake or an ocean